configure.in
author Ryan C. Gordon <icculus@icculus.org>
Mon, 08 Jun 2015 01:13:51 -0400
changeset 9718 d5955671f259
parent 9657 fbc01731d914
child 9768 fd870d4520be
permissions -rw-r--r--
configure/cmake/x11: Removed SDL_VIDEO_DRIVER_X11_CONST_PARAM_XDATA32 test.

This was the only thing that made SDL_config.h generate differently between
32 and 64-bit versions of Linux, so instead we force a function cast in our
X11 code to match our dynamic loader version, which removes the compile error
on some machines that prompted this test in the first place.

Xlib never wrote to this data, so if you're on an older Xlib where this param
wasn't const, your data should still be intact when we force the caller to
think it was actually const after all.

Fixes Bugzilla #1893.
     1 dnl Process this file with autoconf to produce a configure script.
     2 AC_INIT(README.txt)
     3 AC_CONFIG_HEADER(include/SDL_config.h)
     4 AC_CONFIG_AUX_DIR(build-scripts)
     5 AC_CONFIG_MACRO_DIR([acinclude])
     6 
     7 dnl Save the CFLAGS to see whether they were passed in or generated
     8 orig_CFLAGS="$CFLAGS"
     9 
    10 dnl Set various version strings - taken gratefully from the GTk sources
    11 #
    12 # Making releases:
    13 # Edit include/SDL_version.h and change the version, then:
    14 #   SDL_MICRO_VERSION += 1;
    15 #   SDL_INTERFACE_AGE += 1;
    16 #   SDL_BINARY_AGE += 1;
    17 # if any functions have been added, set SDL_INTERFACE_AGE to 0.
    18 # if backwards compatibility has been broken,
    19 # set SDL_BINARY_AGE and SDL_INTERFACE_AGE to 0.
    20 #
    21 SDL_MAJOR_VERSION=2
    22 SDL_MINOR_VERSION=0
    23 SDL_MICRO_VERSION=4
    24 SDL_INTERFACE_AGE=0
    25 SDL_BINARY_AGE=4
    26 SDL_VERSION=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION.$SDL_MICRO_VERSION
    27 
    28 AC_SUBST(SDL_MAJOR_VERSION)
    29 AC_SUBST(SDL_MINOR_VERSION)
    30 AC_SUBST(SDL_MICRO_VERSION)
    31 AC_SUBST(SDL_INTERFACE_AGE)
    32 AC_SUBST(SDL_BINARY_AGE)
    33 AC_SUBST(SDL_VERSION)
    34 
    35 # libtool versioning
    36 LT_INIT([win32-dll])
    37 
    38 LT_RELEASE=$SDL_MAJOR_VERSION.$SDL_MINOR_VERSION
    39 LT_CURRENT=`expr $SDL_MICRO_VERSION - $SDL_INTERFACE_AGE`
    40 LT_REVISION=$SDL_INTERFACE_AGE
    41 LT_AGE=`expr $SDL_BINARY_AGE - $SDL_INTERFACE_AGE`
    42 m4_pattern_allow([^LT_])
    43 
    44 AC_SUBST(LT_RELEASE)
    45 AC_SUBST(LT_CURRENT)
    46 AC_SUBST(LT_REVISION)
    47 AC_SUBST(LT_AGE)
    48 
    49 dnl Detect the canonical build and host environments
    50 dnl AC_CANONICAL_HOST
    51 
    52 dnl Check for tools
    53 AC_PROG_LIBTOOL
    54 AC_PROG_CC
    55 AC_PROG_CXX
    56 AC_PROG_INSTALL
    57 AC_PROG_MAKE_SET
    58 AC_CHECK_TOOL(WINDRES, [windres], [:])
    59 
    60 dnl Make sure that srcdir is a full pathname
    61 case "$host" in
    62     *-*-mingw32*)
    63         # Except on msys, where make can't handle full pathnames (bug 1972)
    64         ;;
    65     *)
    66         srcdir=`cd $srcdir && pwd`
    67         ;;
    68 esac
    69 
    70 dnl Set up the compiler and linker flags
    71 INCLUDE="-I$srcdir/include"
    72 if test x$srcdir != x.; then
    73     INCLUDE="-Iinclude $INCLUDE"
    74 elif test -d .hg; then
    75     AC_MSG_ERROR([
    76 *** When building from Mercurial you should configure and build in a
    77     separate directory so you don't clobber SDL_config.h, SDL_revision.h
    78 ])
    79 fi
    80 BASE_CFLAGS=""
    81 BASE_LDFLAGS=""
    82 case "$host" in
    83     *-*-cygwin*)
    84         # We build SDL on cygwin without the UNIX emulation layer
    85         save_CFLAGS="$CFLAGS"
    86         have_no_cygwin=no
    87         AC_MSG_CHECKING(for GCC -mno-cygwin option)
    88         CFLAGS="$save_CFLAGS -mno-cygwin"
    89 
    90         AC_TRY_COMPILE([
    91         ],[
    92         ],[
    93         have_no_cygwin=yes
    94         ])
    95         AC_MSG_RESULT($have_no_cygwin)
    96         CFLAGS="$save_CFLAGS"
    97 
    98         if test x$have_no_cygwin = xyes; then
    99             BASE_CFLAGS="-mno-cygwin"
   100             BASE_LDFLAGS="-mno-cygwin"
   101         fi
   102         BASE_CFLAGS="$BASE_CFLAGS -I/usr/include/mingw"
   103         ;;
   104 esac
   105 # Uncomment the following line if you want to force SDL and applications
   106 # built with it to be compiled for a particular architecture.
   107 #AX_GCC_ARCHFLAG([no], [BASE_CFLAGS="$BASE_CFLAGS $ax_cv_gcc_archflag]")
   108 BUILD_CFLAGS="$CFLAGS $CPPFLAGS -DUSING_GENERATED_CONFIG_H"
   109 # The default optimization for SDL is -O3 (Bug #31)
   110 if test "x$orig_CFLAGS" = x; then
   111     BUILD_CFLAGS=`echo $BUILD_CFLAGS | sed 's/-O2/-O3/'`
   112 fi
   113 EXTRA_CFLAGS="$INCLUDE $BASE_CFLAGS"
   114 BUILD_LDFLAGS="$LDFLAGS"
   115 EXTRA_LDFLAGS="$BASE_LDFLAGS"
   116 ## These are common directories to find software packages
   117 #for path in /usr/freeware /usr/pkg /usr/X11R6 /usr/local; do
   118 #    if test -d $path/include; then
   119 #        EXTRA_CFLAGS="$EXTRA_CFLAGS -I$path/include"
   120 #    fi
   121 #    if test -d $path/lib; then
   122 #        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L$path/lib"
   123 #    fi
   124 #done
   125 SDL_CFLAGS="$BASE_CFLAGS"
   126 SDL_LIBS="-lSDL2 $BASE_LDFLAGS"
   127 CPPFLAGS="$CPPFLAGS $EXTRA_CFLAGS"
   128 CFLAGS="$CFLAGS $EXTRA_CFLAGS"
   129 LDFLAGS="$LDFLAGS $EXTRA_LDFLAGS"
   130 
   131 dnl set this to use on systems that use lib64 instead of lib
   132 base_libdir=`echo \${libdir} | sed 's/.*\/\(.*\)/\1/; q'`
   133 
   134 dnl Function to find a library in the compiler search path
   135 find_lib()
   136 {
   137     gcc_bin_path=[`$CC -print-search-dirs 2>/dev/null | fgrep programs: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   138     gcc_lib_path=[`$CC -print-search-dirs 2>/dev/null | fgrep libraries: | sed 's/[^=]*=\(.*\)/\1/' | sed 's/:/ /g'`]
   139     env_lib_path=[`echo $LIBS $LDFLAGS $* | sed 's/-L[ ]*//g'`]
   140     if test "$cross_compiling" = yes; then
   141         host_lib_path=""
   142     else
   143         host_lib_path="/usr/$base_libdir /usr/local/$base_libdir"
   144     fi
   145     for path in $env_lib_path $gcc_bin_path $gcc_lib_path $host_lib_path; do
   146         lib=[`ls -- $path/$1 2>/dev/null | sed -e '/\.so\..*\./d' -e 's,.*/,,' | sort | tail -1`]
   147         if test x$lib != x; then
   148             echo $lib
   149             return
   150         fi
   151     done
   152 }
   153 
   154 dnl Check for compiler characteristics
   155 AC_C_CONST
   156 AC_C_INLINE
   157 AC_C_VOLATILE
   158 
   159 dnl See whether we want assertions for debugging/sanity checking SDL itself.
   160 AC_ARG_ENABLE(assertions,
   161 AC_HELP_STRING([--enable-assertions],
   162                [Enable internal sanity checks (auto/disabled/release/enabled/paranoid) [[default=auto]]]),
   163               , enable_assertions=auto)
   164 case "$enable_assertions" in
   165     auto) # Use optimization settings to determine assertion level
   166         ;;
   167     disabled)
   168         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 0, [ ])
   169         ;;
   170     release)
   171         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 1, [ ])
   172         ;;
   173     enabled)
   174         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 2, [ ])
   175         ;;
   176     paranoid)
   177         AC_DEFINE(SDL_DEFAULT_ASSERT_LEVEL, 3, [ ])
   178         ;;
   179     *)
   180         AC_MSG_ERROR([*** unknown assertion level. stop.])
   181         ;;
   182 esac
   183 
   184 dnl See whether we can use gcc style dependency tracking
   185 AC_ARG_ENABLE(dependency-tracking,
   186 AC_HELP_STRING([--enable-dependency-tracking],
   187                [Use gcc -MMD -MT dependency tracking [[default=yes]]]),
   188               , enable_dependency_tracking=yes)
   189 if test x$enable_dependency_tracking = xyes; then
   190     have_gcc_mmd_mt=no
   191     AC_MSG_CHECKING(for GCC -MMD -MT option)
   192     AC_TRY_COMPILE([
   193     #if !defined(__GNUC__) || __GNUC__ < 3
   194     #error Dependency tracking requires GCC 3.0 or newer
   195     #endif
   196     ],[
   197     ],[
   198     have_gcc_mmd_mt=yes
   199     ])
   200     AC_MSG_RESULT($have_gcc_mmd_mt)
   201 
   202     if test x$have_gcc_mmd_mt = xyes; then
   203         DEPENDENCY_TRACKING_OPTIONS="-MMD -MT \$@"
   204     fi
   205 fi
   206 
   207 AC_MSG_CHECKING(for linker option --no-undefined)
   208 have_no_undefined=no
   209 case "$host" in
   210     dnl Skip this on platforms where it is just simply busted.
   211     *-*-openbsd*)
   212         ;;
   213 
   214     *)
   215         save_LDFLAGS="$LDFLAGS"
   216         LDFLAGS="$LDFLAGS -Wl,--no-undefined"
   217         AC_TRY_LINK([
   218         ],[
   219         ],[
   220         have_no_undefined=yes
   221         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,--no-undefined"
   222         ])
   223         LDFLAGS="$save_LDFLAGS"
   224         ;;
   225 esac
   226 AC_MSG_RESULT($have_no_undefined)
   227 
   228 dnl See whether we are allowed to use the system C library
   229 AC_ARG_ENABLE(libc,
   230 AC_HELP_STRING([--enable-libc], [Use the system C library [[default=yes]]]),
   231               , enable_libc=yes)
   232 if test x$enable_libc = xyes; then
   233     AC_DEFINE(HAVE_LIBC, 1, [ ])
   234 
   235     dnl Check for C library headers
   236     AC_HEADER_STDC
   237     AC_CHECK_HEADERS(sys/types.h stdio.h stdlib.h stddef.h stdarg.h malloc.h memory.h string.h strings.h inttypes.h stdint.h ctype.h math.h iconv.h signal.h)
   238 
   239     dnl Check for typedefs, structures, etc.
   240     AC_TYPE_SIZE_T
   241 
   242     dnl Check for defines
   243     AC_CHECK_DEFINE(M_PI, math.h)
   244 
   245     dnl Checks for library functions.
   246     case "$host" in
   247     *-*-cygwin* | *-*-mingw32*)
   248         ;;
   249     *)
   250         AC_FUNC_ALLOCA
   251         ;;
   252     esac
   253 
   254     AC_FUNC_MEMCMP
   255     if test x$ac_cv_func_memcmp_working = xyes; then
   256         AC_DEFINE(HAVE_MEMCMP, 1, [ ])
   257     fi
   258     AC_FUNC_STRTOD
   259     if test x$ac_cv_func_strtod = xyes; then
   260         AC_DEFINE(HAVE_STRTOD, 1, [ ])
   261     fi
   262     AC_CHECK_FUNC(mprotect,
   263         AC_TRY_COMPILE([
   264           #include <sys/types.h>
   265           #include <sys/mman.h>
   266         ],[
   267         ],[
   268         AC_DEFINE(HAVE_MPROTECT, 1, [ ])
   269         ]),
   270     )
   271     AC_CHECK_FUNCS(malloc calloc realloc free getenv setenv putenv unsetenv qsort abs bcopy memset memcpy memmove strlen strlcpy strlcat strdup _strrev _strupr _strlwr strchr strrchr strstr itoa _ltoa _uitoa _ultoa strtol strtoul _i64toa _ui64toa strtoll strtoull atoi atof strcmp strncmp _stricmp strcasecmp _strnicmp strncasecmp vsscanf vsnprintf fseeko fseeko64 sigaction setjmp nanosleep sysconf sysctlbyname)
   272 
   273     AC_CHECK_LIB(m, pow, [LIBS="$LIBS -lm"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm"])
   274     AC_CHECK_FUNCS(atan atan2 acos asin ceil copysign cos cosf fabs floor log pow scalbn sin sinf sqrt sqrtf tan tanf)
   275 
   276     AC_CHECK_LIB(iconv, iconv_open, [LIBS="$LIBS -liconv"; EXTRA_LDFLAGS="$EXTRA_LDFLAGS -liconv"])
   277     AC_CHECK_FUNCS(iconv)
   278 
   279     AC_CHECK_MEMBER(struct sigaction.sa_sigaction,[AC_DEFINE(HAVE_SA_SIGACTION)], ,[#include <signal.h>])
   280 fi
   281 
   282 dnl AC_CHECK_SIZEOF(void*)
   283 
   284 dnl See whether we can use gcc atomic operations on this architecture
   285 AC_ARG_ENABLE(gcc-atomics,
   286 AC_HELP_STRING([--enable-gcc-atomics],
   287                [Use gcc builtin atomics [[default=yes]]]),
   288               , enable_gcc_atomics=yes)
   289 if test x$enable_gcc_atomics = xyes; then
   290     have_gcc_atomics=no
   291     AC_MSG_CHECKING(for GCC builtin atomic operations)
   292     AC_TRY_LINK([
   293     ],[
   294     int a;
   295     void *x, *y, *z;
   296     __sync_lock_test_and_set(&a, 4);
   297     __sync_lock_test_and_set(&x, y);
   298     __sync_fetch_and_add(&a, 1);
   299     __sync_bool_compare_and_swap(&a, 5, 10);
   300     __sync_bool_compare_and_swap(&x, y, z);
   301     ],[
   302     have_gcc_atomics=yes
   303     ])
   304     AC_MSG_RESULT($have_gcc_atomics)
   305 
   306     if test x$have_gcc_atomics = xyes; then
   307         AC_DEFINE(HAVE_GCC_ATOMICS, 1, [ ])
   308     else
   309         # See if we have the minimum operation needed for GCC atomics
   310         AC_TRY_LINK([
   311         ],[
   312         int a;
   313         __sync_lock_test_and_set(&a, 1);
   314         __sync_lock_release(&a);
   315         ],[
   316         have_gcc_sync_lock_test_and_set=yes
   317         ])
   318         if test x$have_gcc_sync_lock_test_and_set = xyes; then
   319             AC_DEFINE(HAVE_GCC_SYNC_LOCK_TEST_AND_SET, 1, [ ])
   320         fi
   321     fi
   322 fi
   323 
   324 # Standard C sources
   325 SOURCES="$SOURCES $srcdir/src/*.c"
   326 SOURCES="$SOURCES $srcdir/src/atomic/*.c"
   327 SOURCES="$SOURCES $srcdir/src/audio/*.c"
   328 SOURCES="$SOURCES $srcdir/src/cpuinfo/*.c"
   329 SOURCES="$SOURCES $srcdir/src/dynapi/*.c"
   330 SOURCES="$SOURCES $srcdir/src/events/*.c"
   331 SOURCES="$SOURCES $srcdir/src/file/*.c"
   332 SOURCES="$SOURCES $srcdir/src/haptic/*.c"
   333 SOURCES="$SOURCES $srcdir/src/joystick/*.c"
   334 SOURCES="$SOURCES $srcdir/src/libm/*.c"
   335 SOURCES="$SOURCES $srcdir/src/power/*.c"
   336 #SOURCES="$SOURCES $srcdir/src/filesystem/*.c"
   337 SOURCES="$SOURCES $srcdir/src/render/*.c"
   338 SOURCES="$SOURCES $srcdir/src/render/*/*.c"
   339 SOURCES="$SOURCES $srcdir/src/stdlib/*.c"
   340 SOURCES="$SOURCES $srcdir/src/thread/*.c"
   341 SOURCES="$SOURCES $srcdir/src/timer/*.c"
   342 SOURCES="$SOURCES $srcdir/src/video/*.c"
   343 
   344 dnl Enable/disable various subsystems of the SDL library
   345 
   346 AC_ARG_ENABLE(atomic,
   347 AC_HELP_STRING([--enable-atomic], [Enable the atomic operations subsystem [[default=yes]]]),
   348               , enable_atomic=yes)
   349 if test x$enable_atomic != xyes; then
   350     AC_DEFINE(SDL_ATOMIC_DISABLED, 1, [ ])
   351 else
   352     SUMMARY_modules="${SUMMARY_modules} atomic"
   353 fi
   354 AC_ARG_ENABLE(audio,
   355 AC_HELP_STRING([--enable-audio], [Enable the audio subsystem [[default=yes]]]),
   356               , enable_audio=yes)
   357 if test x$enable_audio != xyes; then
   358     AC_DEFINE(SDL_AUDIO_DISABLED, 1, [ ])
   359 else
   360     SUMMARY_modules="${SUMMARY_modules} audio"
   361 fi
   362 AC_ARG_ENABLE(video,
   363 AC_HELP_STRING([--enable-video], [Enable the video subsystem [[default=yes]]]),
   364               , enable_video=yes)
   365 if test x$enable_video != xyes; then
   366     AC_DEFINE(SDL_VIDEO_DISABLED, 1, [ ])
   367 else
   368     SUMMARY_modules="${SUMMARY_modules} video"
   369 fi
   370 AC_ARG_ENABLE(render,
   371 AC_HELP_STRING([--enable-render], [Enable the render subsystem [[default=yes]]]),
   372               , enable_render=yes)
   373 if test x$enable_render != xyes; then
   374     AC_DEFINE(SDL_RENDER_DISABLED, 1, [ ])
   375 else
   376     SUMMARY_modules="${SUMMARY_modules} render"
   377 fi
   378 AC_ARG_ENABLE(events,
   379 AC_HELP_STRING([--enable-events], [Enable the events subsystem [[default=yes]]]),
   380               , enable_events=yes)
   381 if test x$enable_events != xyes; then
   382     AC_DEFINE(SDL_EVENTS_DISABLED, 1, [ ])
   383 else
   384     SUMMARY_modules="${SUMMARY_modules} events"
   385 fi
   386 AC_ARG_ENABLE(joystick,
   387 AC_HELP_STRING([--enable-joystick], [Enable the joystick subsystem [[default=yes]]]),
   388               , enable_joystick=yes)
   389 if test x$enable_joystick != xyes; then
   390     AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
   391 else
   392     SUMMARY_modules="${SUMMARY_modules} joystick"
   393 fi
   394 AC_ARG_ENABLE(haptic,
   395 AC_HELP_STRING([--enable-haptic], [Enable the haptic (force feedback) subsystem [[default=yes]]]),
   396               , enable_haptic=yes)
   397 if test x$enable_haptic != xyes; then
   398     AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
   399 else
   400     SUMMARY_modules="${SUMMARY_modules} haptic"
   401 fi
   402 AC_ARG_ENABLE(power,
   403 AC_HELP_STRING([--enable-power], [Enable the power subsystem [[default=yes]]]),
   404               , enable_power=yes)
   405 if test x$enable_power != xyes; then
   406     AC_DEFINE(SDL_POWER_DISABLED, 1, [ ])
   407 else
   408     SUMMARY_modules="${SUMMARY_modules} power"
   409 fi
   410 AC_ARG_ENABLE(filesystem,
   411 AC_HELP_STRING([--enable-filesystem], [Enable the filesystem subsystem [[default=yes]]]),
   412               , enable_filesystem=yes)
   413 if test x$enable_filesystem != xyes; then
   414     AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
   415 else
   416     SUMMARY_modules="${SUMMARY_modules} filesystem"
   417 fi
   418 AC_ARG_ENABLE(threads,
   419 AC_HELP_STRING([--enable-threads], [Enable the threading subsystem [[default=yes]]]),
   420               , enable_threads=yes)
   421 if test x$enable_threads != xyes; then
   422     AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
   423 else
   424     SUMMARY_modules="${SUMMARY_modules} threads"
   425 fi
   426 AC_ARG_ENABLE(timers,
   427 AC_HELP_STRING([--enable-timers], [Enable the timer subsystem [[default=yes]]]),
   428               , enable_timers=yes)
   429 if test x$enable_timers != xyes; then
   430     AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
   431 else
   432     SUMMARY_modules="${SUMMARY_modules} timers"
   433 fi
   434 AC_ARG_ENABLE(file,
   435 AC_HELP_STRING([--enable-file], [Enable the file subsystem [[default=yes]]]),
   436               , enable_file=yes)
   437 if test x$enable_file != xyes; then
   438     AC_DEFINE(SDL_FILE_DISABLED, 1, [ ])
   439 else
   440     SUMMARY_modules="${SUMMARY_modules} file"
   441 fi
   442 AC_ARG_ENABLE(loadso,
   443 AC_HELP_STRING([--enable-loadso], [Enable the shared object loading subsystem [[default=yes]]]),
   444               , enable_loadso=yes)
   445 if test x$enable_loadso != xyes; then
   446     AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
   447 else
   448     SUMMARY_modules="${SUMMARY_modules} loadso"
   449 fi
   450 AC_ARG_ENABLE(cpuinfo,
   451 AC_HELP_STRING([--enable-cpuinfo], [Enable the cpuinfo subsystem [[default=yes]]]),
   452               , enable_cpuinfo=yes)
   453 if test x$enable_cpuinfo != xyes; then
   454     AC_DEFINE(SDL_CPUINFO_DISABLED, 1, [ ])
   455 else
   456     SUMMARY_modules="${SUMMARY_modules} cpuinfo"
   457 fi
   458 AC_ARG_ENABLE(assembly,
   459 AC_HELP_STRING([--enable-assembly], [Enable assembly routines [[default=yes]]]),
   460               , enable_assembly=yes)
   461 if test x$enable_assembly = xyes; then
   462     SUMMARY_modules="${SUMMARY_modules} assembly"
   463 
   464     AC_DEFINE(SDL_ASSEMBLY_ROUTINES, 1, [ ])
   465 
   466     # Make sure that we don't generate floating point code that would
   467     # cause illegal instruction exceptions on older processors
   468     case "$host" in
   469         *-*-darwin*)
   470             # Don't need to worry about Apple hardware, it's all SSE capable
   471             default_ssemath=yes
   472             ;;
   473         *64-*-*)
   474             # x86 64-bit architectures all have SSE instructions
   475             default_ssemath=yes
   476             ;;
   477         *)
   478             default_ssemath=no
   479             ;;
   480     esac
   481     AC_ARG_ENABLE(ssemath,
   482 AC_HELP_STRING([--enable-ssemath], [Allow GCC to use SSE floating point math [[default=no]]]),
   483                   , enable_ssemath=$default_ssemath)
   484     if test x$enable_ssemath = xno; then
   485         if test x$have_gcc_sse = xyes -o x$have_gcc_sse2 = xyes; then
   486             EXTRA_CFLAGS="$EXTRA_CFLAGS -mfpmath=387"
   487         fi
   488     fi
   489 
   490     dnl Check for various instruction support
   491     AC_ARG_ENABLE(mmx,
   492 AC_HELP_STRING([--enable-mmx], [use MMX assembly routines [[default=yes]]]),
   493                   , enable_mmx=yes)
   494     if test x$enable_mmx = xyes; then
   495         save_CFLAGS="$CFLAGS"
   496         have_gcc_mmx=no
   497         AC_MSG_CHECKING(for GCC -mmmx option)
   498         mmx_CFLAGS="-mmmx"
   499         CFLAGS="$save_CFLAGS $mmx_CFLAGS"
   500 
   501         AC_TRY_COMPILE([
   502         #ifdef __MINGW32__
   503         #include <_mingw.h>
   504         #ifdef __MINGW64_VERSION_MAJOR
   505         #include <intrin.h>
   506         #else
   507         #include <mmintrin.h>
   508         #endif
   509         #else
   510         #include <mmintrin.h>
   511         #endif
   512         #ifndef __MMX__
   513         #error Assembler CPP flag not enabled
   514         #endif
   515         ],[
   516         ],[
   517         have_gcc_mmx=yes
   518         ])
   519         AC_MSG_RESULT($have_gcc_mmx)
   520         CFLAGS="$save_CFLAGS"
   521 
   522         if test x$have_gcc_mmx = xyes; then
   523             EXTRA_CFLAGS="$EXTRA_CFLAGS $mmx_CFLAGS"
   524             SUMMARY_math="${SUMMARY_math} mmx"
   525         fi
   526     fi
   527 
   528     AC_ARG_ENABLE(3dnow,
   529 AC_HELP_STRING([--enable-3dnow], [use 3DNow! assembly routines [[default=yes]]]),
   530                   , enable_3dnow=yes)
   531     if test x$enable_3dnow = xyes; then
   532         save_CFLAGS="$CFLAGS"
   533         have_gcc_3dnow=no
   534         AC_MSG_CHECKING(for GCC -m3dnow option)
   535         amd3dnow_CFLAGS="-m3dnow"
   536         CFLAGS="$save_CFLAGS $amd3dnow_CFLAGS"
   537 
   538         AC_TRY_LINK([
   539         #include <mm3dnow.h>
   540         #ifndef __3dNOW__
   541         #error Assembler CPP flag not enabled
   542         #endif
   543         ],[
   544         void *p = 0;
   545         _m_prefetch(p);
   546         ],[
   547         have_gcc_3dnow=yes
   548         ])
   549         AC_MSG_RESULT($have_gcc_3dnow)
   550         CFLAGS="$save_CFLAGS"
   551 
   552         if test x$have_gcc_3dnow = xyes; then
   553             EXTRA_CFLAGS="$EXTRA_CFLAGS $amd3dnow_CFLAGS"
   554             SUMMARY_math="${SUMMARY_math} 3dnow"
   555         fi
   556     fi
   557 
   558     AC_ARG_ENABLE(sse,
   559 AC_HELP_STRING([--enable-sse], [use SSE assembly routines [[default=yes]]]),
   560                   , enable_sse=yes)
   561     if test x$enable_sse = xyes; then
   562         save_CFLAGS="$CFLAGS"
   563         have_gcc_sse=no
   564         AC_MSG_CHECKING(for GCC -msse option)
   565         sse_CFLAGS="-msse"
   566         CFLAGS="$save_CFLAGS $sse_CFLAGS"
   567 
   568         AC_TRY_COMPILE([
   569         #ifdef __MINGW32__
   570         #include <_mingw.h>
   571         #ifdef __MINGW64_VERSION_MAJOR
   572         #include <intrin.h>
   573         #else
   574         #include <xmmintrin.h>
   575         #endif
   576         #else
   577         #include <xmmintrin.h>
   578         #endif
   579         #ifndef __SSE__
   580         #error Assembler CPP flag not enabled
   581         #endif
   582         ],[
   583         ],[
   584         have_gcc_sse=yes
   585         ])
   586         AC_MSG_RESULT($have_gcc_sse)
   587         CFLAGS="$save_CFLAGS"
   588 
   589         if test x$have_gcc_sse = xyes; then
   590             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse_CFLAGS"
   591             SUMMARY_math="${SUMMARY_math} sse"
   592         fi
   593     fi
   594 
   595     AC_ARG_ENABLE(sse2,
   596 AC_HELP_STRING([--enable-sse2], [use SSE2 assembly routines [[default=no]]]),
   597                   , enable_sse2=$default_ssemath)
   598     if test x$enable_sse2 = xyes; then
   599         save_CFLAGS="$CFLAGS"
   600         have_gcc_sse2=no
   601         AC_MSG_CHECKING(for GCC -msse2 option)
   602         sse2_CFLAGS="-msse2"
   603         CFLAGS="$save_CFLAGS $sse2_CFLAGS"
   604 
   605         AC_TRY_COMPILE([
   606         #ifdef __MINGW32__
   607         #include <_mingw.h>
   608         #ifdef __MINGW64_VERSION_MAJOR
   609         #include <intrin.h>
   610         #else
   611         #include <emmintrin.h>
   612         #endif
   613         #else
   614         #include <emmintrin.h>
   615         #endif
   616         #ifndef __SSE2__
   617         #error Assembler CPP flag not enabled
   618         #endif
   619         ],[
   620         ],[
   621         have_gcc_sse2=yes
   622         ])
   623         AC_MSG_RESULT($have_gcc_sse2)
   624         CFLAGS="$save_CFLAGS"
   625 
   626         if test x$have_gcc_sse2 = xyes; then
   627             EXTRA_CFLAGS="$EXTRA_CFLAGS $sse2_CFLAGS"
   628             SUMMARY_math="${SUMMARY_math} sse2"
   629         fi
   630     fi
   631 
   632     AC_ARG_ENABLE(altivec,
   633 AC_HELP_STRING([--enable-altivec], [use Altivec assembly routines [[default=yes]]]),
   634                   , enable_altivec=yes)
   635     if test x$enable_altivec = xyes; then
   636         save_CFLAGS="$CFLAGS"
   637         have_gcc_altivec=no
   638         have_altivec_h_hdr=no
   639         altivec_CFLAGS="-maltivec"
   640         CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   641 
   642         AC_MSG_CHECKING(for Altivec with GCC altivec.h and -maltivec option)
   643         AC_TRY_COMPILE([
   644         #include <altivec.h>
   645         vector unsigned int vzero() {
   646             return vec_splat_u32(0);
   647         }
   648         ],[
   649         ],[
   650         have_gcc_altivec=yes
   651         have_altivec_h_hdr=yes
   652         ])
   653         AC_MSG_RESULT($have_gcc_altivec)
   654 
   655         if test x$have_gcc_altivec = xno; then
   656             AC_MSG_CHECKING(for Altivec with GCC -maltivec option)
   657             AC_TRY_COMPILE([
   658             vector unsigned int vzero() {
   659                 return vec_splat_u32(0);
   660             }
   661             ],[
   662             ],[
   663             have_gcc_altivec=yes
   664             ])
   665             AC_MSG_RESULT($have_gcc_altivec)
   666         fi
   667 
   668         if test x$have_gcc_altivec = xno; then
   669             AC_MSG_CHECKING(for Altivec with GCC altivec.h and -faltivec option)
   670             altivec_CFLAGS="-faltivec"
   671             CFLAGS="$save_CFLAGS $altivec_CFLAGS"
   672             AC_TRY_COMPILE([
   673             #include <altivec.h>
   674             vector unsigned int vzero() {
   675                 return vec_splat_u32(0);
   676             }
   677             ],[
   678             ],[
   679             have_gcc_altivec=yes
   680             have_altivec_h_hdr=yes
   681             ])
   682             AC_MSG_RESULT($have_gcc_altivec)
   683         fi
   684 
   685         if test x$have_gcc_altivec = xno; then
   686             AC_MSG_CHECKING(for Altivec with GCC -faltivec option)
   687             AC_TRY_COMPILE([
   688             vector unsigned int vzero() {
   689                 return vec_splat_u32(0);
   690             }
   691             ],[
   692             ],[
   693             have_gcc_altivec=yes
   694             ])
   695             AC_MSG_RESULT($have_gcc_altivec)
   696         fi
   697         CFLAGS="$save_CFLAGS"
   698 
   699         if test x$have_gcc_altivec = xyes; then
   700             AC_DEFINE(SDL_ALTIVEC_BLITTERS, 1, [ ])
   701             if test x$have_altivec_h_hdr = xyes; then
   702               AC_DEFINE(HAVE_ALTIVEC_H, 1, [ ])
   703             fi
   704             EXTRA_CFLAGS="$EXTRA_CFLAGS $altivec_CFLAGS"
   705             SUMMARY_math="${SUMMARY_math} altivec"
   706         fi
   707     fi
   708 fi
   709 
   710 dnl See if the OSS audio interface is supported
   711 CheckOSS()
   712 {
   713     AC_ARG_ENABLE(oss,
   714 AC_HELP_STRING([--enable-oss], [support the OSS audio API [[default=maybe]]]),
   715                   , enable_oss=maybe)
   716 
   717     # OpenBSD "has" OSS, but it's not really for app use. They want you to
   718     #  use sndio instead. So on there, we default to disabled. You can force
   719     #  it on if you really want, though.
   720     if test x$enable_oss = xmaybe; then
   721         enable_oss=yes
   722         case "$host" in
   723             *-*-openbsd*)
   724                 enable_oss=no;;
   725         esac
   726     fi
   727 
   728     if test x$enable_audio = xyes -a x$enable_oss = xyes; then
   729         AC_MSG_CHECKING(for OSS audio support)
   730         have_oss=no
   731         if test x$have_oss != xyes; then
   732             AC_TRY_COMPILE([
   733               #include <sys/soundcard.h>
   734             ],[
   735               int arg = SNDCTL_DSP_SETFRAGMENT;
   736             ],[
   737             have_oss=yes
   738             ])
   739         fi
   740         if test x$have_oss != xyes; then
   741             AC_TRY_COMPILE([
   742               #include <soundcard.h>
   743             ],[
   744               int arg = SNDCTL_DSP_SETFRAGMENT;
   745             ],[
   746             have_oss=yes
   747             AC_DEFINE(SDL_AUDIO_DRIVER_OSS_SOUNDCARD_H, 1, [ ])
   748             ])
   749         fi
   750         AC_MSG_RESULT($have_oss)
   751         if test x$have_oss = xyes; then
   752             SUMMARY_audio="${SUMMARY_audio} oss"
   753             AC_DEFINE(SDL_AUDIO_DRIVER_OSS, 1, [ ])
   754             SOURCES="$SOURCES $srcdir/src/audio/dsp/*.c"
   755             have_audio=yes
   756 
   757             # We may need to link with ossaudio emulation library
   758             case "$host" in
   759                 *-*-openbsd*|*-*-netbsd*)
   760                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lossaudio";;
   761             esac
   762         fi
   763     fi
   764 }
   765 
   766 dnl See if the ALSA audio interface is supported
   767 CheckALSA()
   768 {
   769     AC_ARG_ENABLE(alsa,
   770 AC_HELP_STRING([--enable-alsa], [support the ALSA audio API [[default=yes]]]),
   771                   , enable_alsa=yes)
   772     if test x$enable_audio = xyes -a x$enable_alsa = xyes; then
   773         AM_PATH_ALSA(0.9.0, have_alsa=yes, have_alsa=no)
   774         # Restore all flags from before the ALSA detection runs
   775         CFLAGS="$alsa_save_CFLAGS"
   776         LDFLAGS="$alsa_save_LDFLAGS"
   777         LIBS="$alsa_save_LIBS"
   778         if test x$have_alsa = xyes; then
   779             AC_ARG_ENABLE(alsa-shared,
   780 AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
   781                           , enable_alsa_shared=yes)
   782             alsa_lib=[`find_lib "libasound.so.*" "$ALSA_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   783 
   784             AC_DEFINE(SDL_AUDIO_DRIVER_ALSA, 1, [ ])
   785             SOURCES="$SOURCES $srcdir/src/audio/alsa/*.c"
   786             EXTRA_CFLAGS="$EXTRA_CFLAGS $ALSA_CFLAGS"
   787             if test x$have_loadso != xyes && \
   788                test x$enable_alsa_shared = xyes; then
   789                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ALSA loading])
   790             fi
   791             if test x$have_loadso = xyes && \
   792                test x$enable_alsa_shared = xyes && test x$alsa_lib != x; then
   793                 echo "-- dynamic libasound -> $alsa_lib"
   794                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ALSA_DYNAMIC, "$alsa_lib", [ ])
   795                 SUMMARY_audio="${SUMMARY_audio} alsa(dynamic)"
   796             else
   797                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ALSA_LIBS"
   798                 SUMMARY_audio="${SUMMARY_audio} alsa"
   799             fi
   800             have_audio=yes
   801         fi
   802     fi
   803 }
   804 
   805 dnl Find the ESD includes and libraries
   806 CheckESD()
   807 {
   808     AC_ARG_ENABLE(esd,
   809 AC_HELP_STRING([--enable-esd], [support the Enlightened Sound Daemon [[default=yes]]]),
   810                   , enable_esd=yes)
   811     if test x$enable_audio = xyes -a x$enable_esd = xyes; then
   812         AM_PATH_ESD(0.2.8, have_esd=yes, have_esd=no)
   813         if test x$have_esd = xyes; then
   814             AC_ARG_ENABLE(esd-shared,
   815 AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
   816                           , enable_esd_shared=yes)
   817             esd_lib=[`find_lib "libesd.so.*" "$ESD_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   818 
   819             AC_DEFINE(SDL_AUDIO_DRIVER_ESD, 1, [ ])
   820             SOURCES="$SOURCES $srcdir/src/audio/esd/*.c"
   821             EXTRA_CFLAGS="$EXTRA_CFLAGS $ESD_CFLAGS"
   822             if test x$have_loadso != xyes && \
   823                test x$enable_esd_shared = xyes; then
   824                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ESD loading])
   825             fi
   826             if test x$have_loadso = xyes && \
   827                test x$enable_esd_shared = xyes && test x$esd_lib != x; then
   828                 echo "-- dynamic libesd -> $esd_lib"
   829                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ESD_DYNAMIC, "$esd_lib", [ ])
   830                 SUMMARY_audio="${SUMMARY_audio} esd(dynamic)"
   831             else
   832                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ESD_LIBS"
   833                 SUMMARY_audio="${SUMMARY_audio} esd"
   834             fi
   835             have_audio=yes
   836         fi
   837     fi
   838 }
   839 
   840 dnl Find PulseAudio
   841 CheckPulseAudio()
   842 {
   843     AC_ARG_ENABLE(pulseaudio,
   844 AC_HELP_STRING([--enable-pulseaudio], [use PulseAudio [[default=yes]]]),
   845                   , enable_pulseaudio=yes)
   846     if test x$enable_audio = xyes -a x$enable_pulseaudio = xyes; then
   847         audio_pulseaudio=no
   848 
   849         PULSEAUDIO_REQUIRED_VERSION=0.9
   850 
   851         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
   852         AC_MSG_CHECKING(for PulseAudio $PULSEAUDIO_REQUIRED_VERSION support)
   853         if test x$PKG_CONFIG != xno; then
   854         if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $PULSEAUDIO_REQUIRED_VERSION libpulse-simple; then
   855                 PULSEAUDIO_CFLAGS=`$PKG_CONFIG --cflags libpulse-simple`
   856                 PULSEAUDIO_LIBS=`$PKG_CONFIG --libs libpulse-simple`
   857                 audio_pulseaudio=yes
   858             fi
   859         fi
   860         AC_MSG_RESULT($audio_pulseaudio)
   861 
   862         if test x$audio_pulseaudio = xyes; then
   863             AC_ARG_ENABLE(pulseaudio-shared,
   864 AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
   865                           , enable_pulseaudio_shared=yes)
   866             pulseaudio_lib=[`find_lib "libpulse-simple.so.*" "$PULSEAUDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   867 
   868             AC_DEFINE(SDL_AUDIO_DRIVER_PULSEAUDIO, 1, [ ])
   869             SOURCES="$SOURCES $srcdir/src/audio/pulseaudio/*.c"
   870             EXTRA_CFLAGS="$EXTRA_CFLAGS $PULSEAUDIO_CFLAGS"
   871             if test x$have_loadso != xyes && \
   872                test x$enable_pulseaudio_shared = xyes; then
   873                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic PulseAudio loading])
   874             fi
   875             if test x$have_loadso = xyes && \
   876                test x$enable_pulseaudio_shared = xyes && test x$pulseaudio_lib != x; then
   877                 echo "-- dynamic libpulse-simple -> $pulseaudio_lib"
   878                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_PULSEAUDIO_DYNAMIC, "$pulseaudio_lib", [ ])
   879                 SUMMARY_audio="${SUMMARY_audio} pulse(dynamic)"
   880 
   881                 case "$host" in
   882                     # On Solaris, pulseaudio must be linked deferred explicitly
   883                     # to prevent undefined symbol failures.
   884                     *-*-solaris*)
   885                         PULSEAUDIO_LIBS=`echo $PULSEAUDIO_LIBS | sed 's/\-l/-Wl,-l/g'`
   886                         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-zdeferred $PULSEAUDIO_LIBS -Wl,-znodeferred"
   887                 esac
   888             else
   889                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $PULSEAUDIO_LIBS"
   890                 SUMMARY_audio="${SUMMARY_audio} pulse"
   891             fi
   892             have_audio=yes
   893         fi
   894     fi
   895 }
   896 
   897 CheckARTSC()
   898 {
   899     AC_ARG_ENABLE(arts,
   900 AC_HELP_STRING([--enable-arts], [support the Analog Real Time Synthesizer [[default=yes]]]),
   901                   , enable_arts=yes)
   902     if test x$enable_audio = xyes -a x$enable_arts = xyes; then
   903         AC_PATH_PROG(ARTSCONFIG, artsc-config)
   904         if test x$ARTSCONFIG = x -o x$ARTSCONFIG = x'"$ARTSCONFIG"'; then
   905             : # arts isn't installed
   906         else
   907             ARTS_CFLAGS=`$ARTSCONFIG --cflags`
   908             ARTS_LIBS=`$ARTSCONFIG --libs`
   909             AC_MSG_CHECKING(for aRts development environment)
   910             audio_arts=no
   911             save_CFLAGS="$CFLAGS"
   912             CFLAGS="$CFLAGS $ARTS_CFLAGS"
   913             AC_TRY_COMPILE([
   914              #include <artsc.h>
   915             ],[
   916              arts_stream_t stream;
   917             ],[
   918             audio_arts=yes
   919             ])
   920             CFLAGS="$save_CFLAGS"
   921             AC_MSG_RESULT($audio_arts)
   922             if test x$audio_arts = xyes; then
   923                 AC_ARG_ENABLE(arts-shared,
   924 AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
   925                               , enable_arts_shared=yes)
   926                 arts_lib=[`find_lib "libartsc.so.*" "$ARTS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   927 
   928                 AC_DEFINE(SDL_AUDIO_DRIVER_ARTS, 1, [ ])
   929                 SOURCES="$SOURCES $srcdir/src/audio/arts/*.c"
   930                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ARTS_CFLAGS"
   931                 if test x$have_loadso != xyes && \
   932                    test x$enable_arts_shared = xyes; then
   933                     AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic ARTS loading])
   934                 fi
   935                 if test x$have_loadso = xyes && \
   936                    test x$enable_arts_shared = xyes && test x$arts_lib != x; then
   937                     echo "-- dynamic libartsc -> $arts_lib"
   938                     AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_ARTS_DYNAMIC, "$arts_lib", [ ])
   939                     SUMMARY_audio="${SUMMARY_audio} arts(dynamic)"
   940                 else
   941                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARTS_LIBS"
   942                     SUMMARY_audio="${SUMMARY_audio} arts"
   943                 fi
   944                 have_audio=yes
   945             fi
   946         fi
   947     fi
   948 }
   949 
   950 dnl See if the NAS audio interface is supported
   951 CheckNAS()
   952 {
   953     AC_ARG_ENABLE(nas,
   954 AC_HELP_STRING([--enable-nas], [support the NAS audio API [[default=yes]]]),
   955                   , enable_nas=yes)
   956     if test x$enable_audio = xyes -a x$enable_nas = xyes; then
   957         AC_CHECK_HEADER(audio/audiolib.h, have_nas_hdr=yes)
   958         AC_CHECK_LIB(audio, AuOpenServer, have_nas_lib=yes)
   959 
   960         AC_MSG_CHECKING(for NAS audio support)
   961         have_nas=no
   962 
   963         if test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
   964             have_nas=yes
   965             NAS_LIBS="-laudio"
   966 
   967         elif test -r /usr/X11R6/include/audio/audiolib.h; then
   968             have_nas=yes
   969             NAS_CFLAGS="-I/usr/X11R6/include/"
   970             NAS_LIBS="-L/usr/X11R6/lib -laudio -lXt"
   971 
   972         fi
   973 
   974         AC_MSG_RESULT($have_nas)
   975 
   976         if test x$have_nas = xyes; then
   977             AC_ARG_ENABLE(nas-shared,
   978 AC_HELP_STRING([--enable-nas-shared], [dynamically load NAS audio support [[default=yes]]]),
   979                           , enable_nas_shared=yes)
   980             nas_lib=[`find_lib "libaudio.so.*" "$NAS_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
   981 
   982             if test x$have_loadso != xyes && \
   983                test x$enable_nas_shared = xyes; then
   984                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic NAS loading])
   985             fi
   986             if test x$have_loadso = xyes && \
   987                test x$enable_nas_shared = xyes && test x$nas_lib != x; then
   988                 echo "-- dynamic libaudio -> $nas_lib"
   989                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_NAS_DYNAMIC, "$nas_lib", [ ])
   990                 SUMMARY_audio="${SUMMARY_audio} nas(dynamic)"
   991             else
   992                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $NAS_LIBS"
   993                 SUMMARY_audio="${SUMMARY_audio} nas"
   994             fi
   995 
   996             AC_DEFINE(SDL_AUDIO_DRIVER_NAS, 1, [ ])
   997             SOURCES="$SOURCES $srcdir/src/audio/nas/*.c"
   998             EXTRA_CFLAGS="$EXTRA_CFLAGS $NAS_CFLAGS"
   999             have_audio=yes
  1000         fi
  1001     fi
  1002 }
  1003 
  1004 dnl See if the sndio audio interface is supported
  1005 CheckSNDIO()
  1006 {
  1007     AC_ARG_ENABLE(sndio,
  1008 AC_HELP_STRING([--enable-sndio], [support the sndio audio API [[default=yes]]]),
  1009                   , enable_sndio=yes)
  1010     if test x$enable_audio = xyes -a x$enable_sndio = xyes; then
  1011         AC_CHECK_HEADER(sndio.h, have_sndio_hdr=yes)
  1012         AC_CHECK_LIB(sndio, sio_open, have_sndio_lib=yes)
  1013 
  1014         AC_MSG_CHECKING(for sndio audio support)
  1015         have_sndio=no
  1016 
  1017         if test x$have_sndio_hdr = xyes -a x$have_sndio_lib = xyes; then
  1018             have_sndio=yes
  1019             SNDIO_LIBS="-lsndio"
  1020         fi
  1021 
  1022         AC_MSG_RESULT($have_sndio)
  1023 
  1024         if test x$have_sndio = xyes; then
  1025             AC_ARG_ENABLE(sndio-shared,
  1026 AC_HELP_STRING([--enable-sndio-shared], [dynamically load sndio audio support [[default=yes]]]),
  1027                           , enable_sndio_shared=yes)
  1028             sndio_lib=[`find_lib "libsndio.so.*" "$SNDIO_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1029 
  1030             if test x$have_loadso != xyes && \
  1031                test x$enable_sndio_shared = xyes; then
  1032                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic sndio loading])
  1033             fi
  1034             if test x$have_loadso = xyes && \
  1035                test x$enable_sndio_shared = xyes && test x$sndio_lib != x; then
  1036                 echo "-- dynamic libsndio -> $sndio_lib"
  1037                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_SNDIO_DYNAMIC, "$sndio_lib", [ ])
  1038                 SUMMARY_audio="${SUMMARY_audio} sndio(dynamic)"
  1039             else
  1040                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $SNDIO_LIBS"
  1041                 SUMMARY_audio="${SUMMARY_audio} sndio"
  1042             fi
  1043 
  1044             AC_DEFINE(SDL_AUDIO_DRIVER_SNDIO, 1, [ ])
  1045             SOURCES="$SOURCES $srcdir/src/audio/sndio/*.c"
  1046             EXTRA_CFLAGS="$EXTRA_CFLAGS $SNDIO_CFLAGS"
  1047             have_audio=yes
  1048         fi
  1049     fi
  1050 }
  1051 
  1052 dnl rcg07142001 See if the user wants the disk writer audio driver...
  1053 CheckDiskAudio()
  1054 {
  1055     AC_ARG_ENABLE(diskaudio,
  1056 AC_HELP_STRING([--enable-diskaudio], [support the disk writer audio driver [[default=yes]]]),
  1057                   , enable_diskaudio=yes)
  1058     if test x$enable_audio = xyes -a x$enable_diskaudio = xyes; then
  1059         AC_DEFINE(SDL_AUDIO_DRIVER_DISK, 1, [ ])
  1060         SOURCES="$SOURCES $srcdir/src/audio/disk/*.c"
  1061         SUMMARY_audio="${SUMMARY_audio} disk"
  1062     fi
  1063 }
  1064 
  1065 dnl rcg03142006 See if the user wants the dummy audio driver...
  1066 CheckDummyAudio()
  1067 {
  1068     AC_ARG_ENABLE(dummyaudio,
  1069 AC_HELP_STRING([--enable-dummyaudio], [support the dummy audio driver [[default=yes]]]),
  1070                   , enable_dummyaudio=yes)
  1071     if test x$enable_audio = xyes -a x$enable_dummyaudio = xyes; then
  1072         AC_DEFINE(SDL_AUDIO_DRIVER_DUMMY, 1, [ ])
  1073         SOURCES="$SOURCES $srcdir/src/audio/dummy/*.c"
  1074         SUMMARY_audio="${SUMMARY_audio} dummy"
  1075     fi
  1076 }
  1077 
  1078 dnl See if GCC's -fvisibility=hidden is supported (gcc4 and later, usually).
  1079 dnl  Details of this flag are here: http://gcc.gnu.org/wiki/Visibility
  1080 CheckVisibilityHidden()
  1081 {
  1082     AC_MSG_CHECKING(for GCC -fvisibility=hidden option)
  1083     have_gcc_fvisibility=no
  1084 
  1085     visibility_CFLAGS="-fvisibility=hidden"
  1086     save_CFLAGS="$CFLAGS"
  1087     CFLAGS="$save_CFLAGS $visibility_CFLAGS -Werror"
  1088     AC_TRY_COMPILE([
  1089     #if !defined(__GNUC__) || __GNUC__ < 4
  1090     #error SDL only uses visibility attributes in GCC 4 or newer
  1091     #endif
  1092     ],[
  1093     ],[
  1094     have_gcc_fvisibility=yes
  1095     ])
  1096     AC_MSG_RESULT($have_gcc_fvisibility)
  1097     CFLAGS="$save_CFLAGS"
  1098 
  1099     if test x$have_gcc_fvisibility = xyes; then
  1100         EXTRA_CFLAGS="$EXTRA_CFLAGS $visibility_CFLAGS"
  1101     fi
  1102 }
  1103 
  1104 dnl See if GCC's -mpreferred-stack-boundary is supported.
  1105 dnl  Reference: http://bugzilla.libsdl.org/show_bug.cgi?id=1296
  1106 CheckStackBoundary()
  1107 {
  1108     AC_MSG_CHECKING(for GCC -mpreferred-stack-boundary option)
  1109     have_gcc_preferred_stack_boundary=no
  1110 
  1111     save_CFLAGS="$CFLAGS"
  1112     CFLAGS="$save_CFLAGS -mpreferred-stack-boundary=2"
  1113     AC_TRY_COMPILE([
  1114     int x = 0;
  1115     ],[
  1116     ],[
  1117     have_gcc_preferred_stack_boundary=yes
  1118     ])
  1119     AC_MSG_RESULT($have_gcc_preferred_stack_boundary)
  1120     CFLAGS="$save_CFLAGS"
  1121 
  1122     if test x$have_gcc_preferred_stack_boundary = xyes; then
  1123         EXTRA_CFLAGS="$EXTRA_CFLAGS -mpreferred-stack-boundary=2"
  1124     fi
  1125 }
  1126 
  1127 dnl See if GCC's -Wall is supported.
  1128 CheckWarnAll()
  1129 {
  1130     AC_MSG_CHECKING(for GCC -Wall option)
  1131     have_gcc_Wall=no
  1132 
  1133     save_CFLAGS="$CFLAGS"
  1134     CFLAGS="$save_CFLAGS -Wall"
  1135     AC_TRY_COMPILE([
  1136     int x = 0;
  1137     ],[
  1138     ],[
  1139     have_gcc_Wall=yes
  1140     ])
  1141     AC_MSG_RESULT($have_gcc_Wall)
  1142     CFLAGS="$save_CFLAGS"
  1143 
  1144     if test x$have_gcc_Wall = xyes; then
  1145         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
  1146 
  1147         dnl Haiku headers use multicharacter constants all over the place. Ignore these warnings when using -Wall.
  1148         AC_MSG_CHECKING(for necessary GCC -Wno-multichar option)
  1149         need_gcc_Wno_multichar=no
  1150         case "$host" in
  1151             *-*-haiku*)
  1152                 need_gcc_Wno_multichar=yes
  1153                 ;;
  1154         esac
  1155         AC_MSG_RESULT($need_gcc_Wno_multichar)
  1156         if test x$need_gcc_Wno_multichar = xyes; then
  1157             EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-multichar"
  1158         fi
  1159     fi
  1160 }
  1161 
  1162 dnl See if GCC's -Wshadow is supported.
  1163 CheckWarnShadow()
  1164 {
  1165     AC_MSG_CHECKING(for GCC -Wshadow option)
  1166     have_gcc_Wshadow=no
  1167 
  1168     save_CFLAGS="$CFLAGS"
  1169     CFLAGS="$save_CFLAGS -Wshadow"
  1170     AC_TRY_COMPILE([
  1171     int x = 0;
  1172     ],[
  1173     ],[
  1174     have_gcc_Wshadow=yes
  1175     ])
  1176     AC_MSG_RESULT($have_gcc_Wshadow)
  1177     CFLAGS="$save_CFLAGS"
  1178 
  1179     if test x$have_gcc_Wshadow = xyes; then
  1180         EXTRA_CFLAGS="$EXTRA_CFLAGS -Wshadow"
  1181     fi
  1182 }
  1183 
  1184 dnl Check for Wayland
  1185 CheckWayland()
  1186 {
  1187     AC_ARG_ENABLE(video-wayland,
  1188 AC_HELP_STRING([--enable-video-wayland], [use Wayland video driver [[default=yes]]]),
  1189                   ,enable_video_wayland=yes)
  1190 
  1191     AC_ARG_ENABLE(video-wayland-qt-touch,
  1192 AC_HELP_STRING([--enable-video-wayland-qt-touch], [QtWayland server support for Wayland video driver [[default=yes]]]),
  1193                   ,enable_video_wayland_qt_touch=yes)
  1194 
  1195     if test x$enable_video = xyes -a x$enable_video_wayland = xyes; then
  1196         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1197         AC_MSG_CHECKING(for Wayland support)
  1198         video_wayland=no
  1199         if  test x$PKG_CONFIG != xno && \
  1200             test x$video_opengl_egl = xyes && \
  1201             test x$video_opengles_v2 = xyes; then
  1202             if $PKG_CONFIG --exists wayland-client wayland-egl wayland-cursor egl xkbcommon ; then
  1203                 WAYLAND_CFLAGS=`$PKG_CONFIG --cflags wayland-client wayland-egl wayland-cursor xkbcommon`
  1204                 WAYLAND_LIBS=`$PKG_CONFIG --libs wayland-client wayland-egl wayland-cursor xkbcommon`
  1205                 video_wayland=yes
  1206             fi
  1207         fi
  1208         AC_MSG_RESULT($video_wayland)
  1209 
  1210         if test x$video_wayland = xyes; then
  1211             AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND, 1, [ ])
  1212             if test x$enable_video_wayland_qt_touch = xyes; then
  1213                 AC_DEFINE(SDL_VIDEO_DRIVER_WAYLAND_QT_TOUCH, 1, [ ])
  1214             fi
  1215             SOURCES="$SOURCES $srcdir/src/video/wayland/*.c"
  1216             EXTRA_CFLAGS="$EXTRA_CFLAGS $WAYLAND_CFLAGS"
  1217             AC_ARG_ENABLE(wayland-shared,
  1218 AC_HELP_STRING([--enable-wayland-shared], [dynamically load Wayland support [[default=maybe]]]),
  1219                           , enable_wayland_shared=maybe)
  1220 
  1221             dnl FIXME: Do BSD and OS X need special cases?
  1222             case "$host" in
  1223                 *)
  1224                     wayland_client_lib=[`find_lib "libwayland-client.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1225                     wayland_egl_lib=[`find_lib "libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1226                     if test x$wayland_egl_lib = x; then
  1227                         dnl This works in Ubuntu 13.10, maybe others
  1228                         wayland_egl_lib=[`find_lib "mesa-egl/libwayland-egl.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1229                     fi
  1230                     wayland_cursor_lib=[`find_lib "libwayland-cursor.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1231                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$WAYLAND_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1232                     ;;
  1233             esac
  1234 
  1235             if test x$enable_wayland_shared = xmaybe; then
  1236                 enable_wayland_shared=yes
  1237             fi
  1238             if test x$have_loadso != xyes && \
  1239                test x$enable_wayland_shared = xyes; then
  1240                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Wayland loading])
  1241                 enable_wayland_shared=no
  1242             fi
  1243             if test x$have_loadso = xyes && \
  1244                test x$enable_wayland_shared = xyes && \
  1245                test x$wayland_client_lib != x && \
  1246                test x$wayland_egl_lib != x && \
  1247                test x$wayland_cursor_lib != x && \
  1248                test x$xkbcommon_lib != x; then
  1249                 echo "-- dynamic libwayland-client -> $wayland_client_lib"
  1250                 echo "-- dynamic libwayland-egl -> $wayland_egl_lib"
  1251                 echo "-- dynamic libwayland-cursor -> $wayland_cursor_lib"
  1252                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1253                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC, "$wayland_client_lib", [ ])
  1254                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_EGL, "$wayland_egl_lib", [ ])
  1255                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_CURSOR, "$wayland_cursor_lib", [ ])
  1256                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_WAYLAND_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1257                 SUMMARY_video="${SUMMARY_video} wayland(dynamic)"
  1258             else
  1259                 enable_wayland_shared=no
  1260                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $WAYLAND_LIBS"
  1261                 SUMMARY_video="${SUMMARY_video} wayland"
  1262             fi
  1263             have_video=yes
  1264         fi
  1265     fi
  1266 }
  1267 
  1268 dnl Check for Mir
  1269 CheckMir()
  1270 {
  1271     AC_ARG_ENABLE(video-mir,
  1272 AC_HELP_STRING([--enable-video-mir], [use Mir video driver [[default=yes]]]),
  1273                   ,enable_video_mir=yes)
  1274 
  1275     if test x$enable_video = xyes -a x$enable_video_mir = xyes; then
  1276         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1277         AC_MSG_CHECKING(for Mir support)
  1278         video_mir=no
  1279         if test x$PKG_CONFIG != xno; then
  1280             if $PKG_CONFIG --exists mirclient egl xkbcommon ; then
  1281                 MIR_CFLAGS=`$PKG_CONFIG --cflags mirclient egl xkbcommon`
  1282                 MIR_LIBS=`$PKG_CONFIG --libs mirclient egl xkbcommon`
  1283                 save_CFLAGS="$CFLAGS"
  1284                 CFLAGS="$save_CFLAGS $MIR_CFLAGS"
  1285                 
  1286                 dnl This will disable Mir on Ubuntu < 14.04
  1287                 AC_TRY_COMPILE([
  1288                 #include <mir_toolkit/mir_client_library.h>
  1289                 ],[
  1290                     MirMotionToolType tool = mir_motion_tool_type_mouse;
  1291                 ],[
  1292                 video_mir=yes
  1293                 ])
  1294                 CFLAGS="$save_CFLAGS"
  1295             fi
  1296         fi
  1297         AC_MSG_RESULT($video_mir)
  1298 
  1299         if test x$video_mir = xyes; then
  1300             AC_DEFINE(SDL_VIDEO_DRIVER_MIR, 1, [ ])
  1301             SOURCES="$SOURCES $srcdir/src/video/mir/*.c"
  1302             EXTRA_CFLAGS="$EXTRA_CFLAGS $MIR_CFLAGS"
  1303             AC_ARG_ENABLE(mir-shared,
  1304 AC_HELP_STRING([--enable-mir-shared], [dynamically load Mir support [[default=maybe]]]),
  1305                           , enable_mir_shared=maybe)
  1306 
  1307             dnl FIXME: Do BSD and OS X need special cases?
  1308             case "$host" in
  1309                 *)
  1310                     mirclient_lib=[`find_lib "libmirclient.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1311                     xkbcommon_lib=[`find_lib "libxkbcommon.so.*" "$MIR_LIBS" | sed 's/.*\/\(.*\)/\1/; q'`]
  1312                     ;;
  1313             esac
  1314 
  1315             if test x$enable_mir_shared = xmaybe; then
  1316                 enable_mir_shared=yes
  1317             fi
  1318             if test x$have_loadso != xyes && \
  1319                test x$enable_mir_shared = xyes; then
  1320                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic Mir loading])
  1321                 enable_mir_shared=no
  1322             fi
  1323             if test x$have_loadso = xyes && \
  1324                test x$enable_mir_shared = xyes && \
  1325                test x$mirclient_lib != x && \
  1326                test x$xkbcommon_lib != x; then
  1327                 echo "-- dynamic libmirclient -> $mirclient_lib"
  1328                 echo "-- dynamic libxkbcommon -> $xkbcommon_lib"
  1329                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC, "$mirclient_lib", [ ])
  1330                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_MIR_DYNAMIC_XKBCOMMON, "$xkbcommon_lib", [ ])
  1331                 SUMMARY_video="${SUMMARY_video} mir(dynamic)"
  1332             else
  1333                 enable_mir_shared=no
  1334                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $MIR_LIBS"
  1335                 SUMMARY_video="${SUMMARY_video} mir"
  1336             fi
  1337             have_video=yes
  1338         fi
  1339     fi
  1340 }
  1341 
  1342 dnl Check for Native Client stuff
  1343 CheckNativeClient()
  1344 {
  1345         AC_TRY_COMPILE([
  1346           #if !defined(__native_client__)
  1347           #error "NO NACL"
  1348           #endif
  1349         ],[
  1350         ],[
  1351         AC_DEFINE(SDL_VIDEO_DRIVER_NACL)
  1352         AC_DEFINE(SDL_AUDIO_DRIVER_NACL)
  1353         AC_DEFINE(HAVE_POW, 1, [ ])
  1354         AC_DEFINE(HAVE_OPENGLES2, 1, [ ])
  1355         AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  1356         AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  1357 
  1358         SDL_LIBS="-lppapi_simple -lppapi_gles2 $SDL_LIBS"
  1359 
  1360         SDLMAIN_SOURCES="$srcdir/src/main/nacl/*.c"
  1361         SOURCES="$SOURCES $srcdir/src/audio/nacl/*.c"
  1362         SUMMARY_audio="${SUMMARY_audio} nacl"
  1363         SOURCES="$SOURCES $srcdir/src/video/nacl/*.c"
  1364         SUMMARY_video="${SUMMARY_video} nacl opengles2"
  1365         ])
  1366 }
  1367 
  1368 
  1369 dnl Find the X11 include and library directories
  1370 CheckX11()
  1371 {
  1372 
  1373 
  1374     AC_ARG_ENABLE(video-x11,
  1375 AC_HELP_STRING([--enable-video-x11], [use X11 video driver [[default=yes]]]),
  1376                   , enable_video_x11=yes)
  1377     if test x$enable_video = xyes -a x$enable_video_x11 = xyes; then
  1378         case "$host" in
  1379             *-*-darwin*)
  1380                 # This isn't necessary for X11, but fixes GLX detection
  1381                 if test "x$x_includes" = xNONE && \
  1382                    test "x$x_libraries" = xNONE && \
  1383                    test -d /usr/X11R6/include && \
  1384                    test -d /usr/X11R6/lib; then
  1385                     x_includes="/usr/X11R6/include"
  1386                     x_libraries="/usr/X11R6/lib"
  1387                 fi
  1388                 ;;
  1389         esac
  1390         AC_PATH_X
  1391         AC_PATH_XTRA
  1392         if test x$have_x = xyes; then
  1393             AC_ARG_ENABLE(x11-shared,
  1394 AC_HELP_STRING([--enable-x11-shared], [dynamically load X11 support [[default=maybe]]]),
  1395                           , enable_x11_shared=maybe)
  1396 
  1397             case "$host" in
  1398                 *-*-darwin*)
  1399                     x11_lib='/usr/X11R6/lib/libX11.6.dylib'
  1400                     x11ext_lib='/usr/X11R6/lib/libXext.6.dylib'
  1401                     xcursor_lib='/usr/X11R6/lib/libXcursor.1.dylib'
  1402                     xinerama_lib='/usr/X11R6/lib/libXinerama.1.dylib'
  1403                     xinput_lib='/usr/X11R6/lib/libXi.6.dylib'
  1404                     xrandr_lib='/usr/X11R6/lib/libXrandr.2.dylib'
  1405                     xrender_lib='/usr/X11R6/lib/libXrender.1.dylib'
  1406                     xss_lib='/usr/X11R6/lib/libXss.1.dylib'
  1407                     xvidmode_lib='/usr/X11R6/lib/libXxf86vm.1.dylib'
  1408                     ;;
  1409                 *-*-openbsd*)
  1410                     x11_lib='libX11.so'
  1411                     x11ext_lib='libXext.so'
  1412                     xcursor_lib='libXcursor.so'
  1413                     xinerama_lib='libXinerama.so'
  1414                     xinput_lib='libXi.so'
  1415                     xrandr_lib='libXrandr.so'
  1416                     xrender_lib='libXrender.so'
  1417                     xss_lib='libXss.so'
  1418                     xvidmode_lib='libXxf86vm.so'
  1419                     ;;
  1420                 *)
  1421                     x11_lib=[`find_lib "libX11.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1422                     x11ext_lib=[`find_lib "libXext.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1423                     xcursor_lib=[`find_lib "libXcursor.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1424                     xinerama_lib=[`find_lib "libXinerama.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1425                     xinput_lib=[`find_lib "libXi.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1426                     xrandr_lib=[`find_lib "libXrandr.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1427                     xrender_lib=[`find_lib "libXrender.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1428                     xss_lib=[`find_lib "libXss.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1429                     xvidmode_lib=[`find_lib "libXxf86vm.so.*" "$X_LIBS -L/usr/X11/$base_libdir -L/usr/X11R6/$base_libdir" | sed 's/.*\/\(.*\)/\1/; q'`]
  1430                     ;;
  1431             esac
  1432 
  1433             if test x$ac_cv_func_shmat != xyes; then
  1434                 X_CFLAGS="$X_CFLAGS -DNO_SHARED_MEMORY"
  1435             fi
  1436             CFLAGS="$CFLAGS $X_CFLAGS"
  1437             LDFLAGS="$LDFLAGS $X_LIBS"
  1438 
  1439             AC_CHECK_HEADER(X11/extensions/Xext.h,
  1440                             have_xext_h_hdr=yes,
  1441                             have_xext_h_hdr=no,
  1442                             [#include <X11/Xlib.h>
  1443                              #include <X11/Xproto.h>
  1444                             ])
  1445             if test x$have_xext_h_hdr != xyes; then
  1446                AC_MSG_ERROR([
  1447 *** Missing Xext.h, maybe you need to install the libxext-dev package?
  1448                ])
  1449             fi
  1450 
  1451             AC_DEFINE(SDL_VIDEO_DRIVER_X11, 1, [ ])
  1452             SOURCES="$SOURCES $srcdir/src/video/x11/*.c"
  1453             EXTRA_CFLAGS="$EXTRA_CFLAGS $X_CFLAGS"
  1454 
  1455             # Needed so SDL applications can include SDL_syswm.h
  1456             SDL_CFLAGS="$SDL_CFLAGS $X_CFLAGS"
  1457 
  1458             if test x$enable_x11_shared = xmaybe; then
  1459                 enable_x11_shared=yes
  1460             fi
  1461             if test x$have_loadso != xyes && \
  1462                test x$enable_x11_shared = xyes; then
  1463                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic X11 loading])
  1464                 enable_x11_shared=no
  1465             fi
  1466             if test x$have_loadso = xyes && \
  1467                test x$enable_x11_shared = xyes && test x$x11_lib != x && test x$x11ext_lib != x; then
  1468                 echo "-- dynamic libX11 -> $x11_lib"
  1469                 echo "-- dynamic libX11ext -> $x11ext_lib"
  1470                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC, "$x11_lib", [ ])
  1471                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT, "$x11ext_lib", [ ])
  1472                 SUMMARY_video="${SUMMARY_video} x11(dynamic)"
  1473             else
  1474                 enable_x11_shared=no
  1475                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $X_LIBS -lX11 -lXext"
  1476                 SUMMARY_video="${SUMMARY_video} x11"
  1477             fi
  1478             have_video=yes
  1479 
  1480             AC_MSG_CHECKING(for const parameter to XextAddDisplay)
  1481             have_const_param_XextAddDisplay=no
  1482             AC_TRY_COMPILE([
  1483               #include <X11/Xlib.h>
  1484               #include <X11/Xproto.h>
  1485               #include <X11/extensions/Xext.h>
  1486               #include <X11/extensions/extutil.h>
  1487               extern XExtDisplayInfo* XextAddDisplay(XExtensionInfo* a,Display* b,_Xconst char* c,XExtensionHooks* d,int e,XPointer f);
  1488             ],[
  1489             ],[
  1490             have_const_param_XextAddDisplay=yes
  1491             AC_DEFINE(SDL_VIDEO_DRIVER_X11_CONST_PARAM_XEXTADDDISPLAY)
  1492             ])
  1493             AC_MSG_RESULT($have_const_param_XextAddDisplay)
  1494 
  1495             dnl AC_CHECK_LIB(X11, XGetEventData, AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS, 1, [Have XGenericEvent]))
  1496             AC_MSG_CHECKING([for XGenericEvent])
  1497             have_XGenericEvent=no
  1498             AC_TRY_COMPILE([
  1499               	#include <X11/Xlib.h>
  1500             ],[
  1501 Display *display;
  1502 XEvent event;
  1503 XGenericEventCookie *cookie = &event.xcookie;
  1504 XNextEvent(display, &event);
  1505 XGetEventData(display, cookie);
  1506 XFreeEventData(display, cookie);
  1507             ],[
  1508                 have_XGenericEvent=yes
  1509                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS)
  1510             ])
  1511             AC_MSG_RESULT($have_XGenericEvent)
  1512 
  1513             AC_CHECK_LIB(X11, XkbKeycodeToKeysym, AC_DEFINE(SDL_VIDEO_DRIVER_X11_HAS_XKBKEYCODETOKEYSYM, 1, [Have XkbKeycodeToKeysym]))
  1514 
  1515             AC_ARG_ENABLE(video-x11-xcursor,
  1516 AC_HELP_STRING([--enable-video-x11-xcursor], [enable X11 Xcursor support [[default=yes]]]),
  1517                             , enable_video_x11_xcursor=yes)
  1518             if test x$enable_video_x11_xcursor = xyes; then
  1519                 definitely_enable_video_x11_xcursor=no
  1520                 AC_CHECK_HEADER(X11/Xcursor/Xcursor.h,
  1521                                 have_xcursor_h_hdr=yes,
  1522                                 have_xcursor_h_hdr=no,
  1523                                 [#include <X11/Xlib.h>
  1524                                 ])
  1525                 if test x$have_xcursor_h_hdr = xyes; then
  1526                     if test x$enable_x11_shared = xyes && test x$xcursor_lib != x ; then
  1527                         echo "-- dynamic libXcursor -> $xcursor_lib"
  1528                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR, "$xcursor_lib", [ ])
  1529                         definitely_enable_video_x11_xcursor=yes
  1530                     else
  1531                         AC_CHECK_LIB(Xcursor, XcursorImageCreate, have_xcursor_lib=yes)
  1532                         if test x$have_xcursor_lib = xyes ; then
  1533                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXcursor"
  1534                             definitely_enable_video_x11_xcursor=yes
  1535                         fi
  1536                     fi
  1537                 fi
  1538             fi
  1539             if test x$definitely_enable_video_x11_xcursor = xyes; then
  1540                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XCURSOR, 1, [ ])
  1541                 SUMMARY_video_x11="${SUMMARY_video_x11} xcursor"
  1542             fi
  1543             AC_ARG_ENABLE(video-x11-xdbe,
  1544 AC_HELP_STRING([--enable-video-x11-xdbe], [enable X11 Xdbe support [[default=yes]]]),
  1545                             , enable_video_x11_xdbe=yes)
  1546             if test x$enable_video_x11_xdbe = xyes; then
  1547                 AC_CHECK_HEADER(X11/extensions/Xdbe.h,
  1548                                 have_dbe_h_hdr=yes,
  1549                                 have_dbe_h_hdr=no,
  1550                                 [#include <X11/Xlib.h>
  1551                                 ])
  1552                 if test x$have_dbe_h_hdr = xyes; then
  1553                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XDBE, 1, [ ])
  1554                     SUMMARY_video_x11="${SUMMARY_video_x11} xdbe"
  1555                 fi
  1556             fi
  1557             AC_ARG_ENABLE(video-x11-xinerama,
  1558 AC_HELP_STRING([--enable-video-x11-xinerama], [enable X11 Xinerama support [[default=yes]]]),
  1559                             , enable_video_x11_xinerama=yes)
  1560             if test x$enable_video_x11_xinerama = xyes; then
  1561                 definitely_enable_video_x11_xinerama=no
  1562                 AC_CHECK_HEADER(X11/extensions/Xinerama.h,
  1563                                 have_xinerama_h_hdr=yes,
  1564                                 have_xinerama_h_hdr=no,
  1565                                 [#include <X11/Xlib.h>
  1566                                 ])
  1567                 if test x$have_xinerama_h_hdr = xyes; then
  1568                     if test x$enable_x11_shared = xyes && test x$xinerama_lib != x ; then
  1569                         echo "-- dynamic libXinerama -> $xinerama_lib"
  1570                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINERAMA, "$xinerama_lib", [ ])
  1571                         definitely_enable_video_x11_xinerama=yes
  1572                     else
  1573                         AC_CHECK_LIB(Xinerama, XineramaQueryExtension, have_xinerama_lib=yes)
  1574                         if test x$have_xinerama_lib = xyes ; then
  1575                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXinerama"
  1576                             definitely_enable_video_x11_xinerama=yes
  1577                         fi
  1578                     fi
  1579                 fi
  1580             fi
  1581             if test x$definitely_enable_video_x11_xinerama = xyes; then
  1582                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINERAMA, 1, [ ])
  1583                 SUMMARY_video_x11="${SUMMARY_video_x11} xinerama"
  1584             fi
  1585             AC_ARG_ENABLE(video-x11-xinput,
  1586 AC_HELP_STRING([--enable-video-x11-xinput], [enable X11 XInput extension for manymouse, tablets, etc [[default=yes]]]),
  1587                             , enable_video_x11_xinput=yes)
  1588             if test x$enable_video_x11_xinput = xyes; then
  1589                 definitely_enable_video_x11_xinput=no
  1590                 AC_CHECK_HEADER(X11/extensions/XInput2.h,
  1591                                 have_xinput_h_hdr=yes,
  1592                                 have_xinput_h_hdr=no,
  1593                                 [#include <X11/Xlib.h>
  1594                                 ])
  1595                 if test x$have_xinput_h_hdr = xyes; then
  1596                     if test x$enable_x11_shared = xyes && test x$xinput_lib != x ; then
  1597                         echo "-- dynamic libXi -> $xinput_lib"
  1598                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2, "$xinput_lib", [ ])
  1599                         definitely_enable_video_x11_xinput=yes
  1600                     else
  1601                         AC_CHECK_LIB(Xi, XOpenDevice, have_xinput_lib=yes)
  1602                         if test x$have_xinput_lib = xyes ; then
  1603                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXi"
  1604                             definitely_enable_video_x11_xinput=yes
  1605                         fi
  1606                     fi
  1607                 fi
  1608             fi
  1609             if test x$definitely_enable_video_x11_xinput = xyes; then
  1610                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2"
  1611                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2, 1, [ ])
  1612                 AC_MSG_CHECKING(for xinput2 multitouch)
  1613             	have_xinput2_multitouch=no
  1614             	AC_TRY_COMPILE([
  1615               		#include <X11/Xlib.h>
  1616              		#include <X11/Xproto.h>
  1617 			#include <X11/extensions/XInput2.h>
  1618             	],[
  1619 int event_type = XI_TouchBegin;
  1620 XITouchClassInfo *t;
  1621             	],[
  1622             	have_xinput2_multitouch=yes
  1623             	AC_DEFINE(SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH)
  1624                 SUMMARY_video_x11="${SUMMARY_video_x11} xinput2_multitouch"
  1625             	])
  1626             	AC_MSG_RESULT($have_xinput2_multitouch)
  1627             fi
  1628             AC_ARG_ENABLE(video-x11-xrandr,
  1629 AC_HELP_STRING([--enable-video-x11-xrandr], [enable X11 Xrandr extension for fullscreen [[default=yes]]]),
  1630                             , enable_video_x11_xrandr=yes)
  1631             if test x$enable_video_x11_xrandr = xyes; then
  1632                 dnl XRRScreenResources is only present in Xrandr >= 1.2, we use that as a test.
  1633                 definitely_enable_video_x11_xrandr=no
  1634                 have_xrandr_h_hdr=no
  1635                 AC_TRY_COMPILE([
  1636                 #include <X11/Xlib.h>
  1637                 #include <X11/extensions/Xrandr.h>
  1638                 ],[
  1639                 XRRScreenResources *res = NULL;
  1640                 ],[
  1641                 have_xrandr_h_hdr=yes
  1642                 ])
  1643                 if test x$have_xrandr_h_hdr = xyes; then
  1644                     if test x$enable_x11_shared = xyes && test x$xrandr_lib != x ; then
  1645                         echo "-- dynamic libXrandr -> $xrandr_lib"
  1646                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR, "$xrandr_lib", [ ])
  1647                         definitely_enable_video_x11_xrandr=yes
  1648                     else
  1649                         AC_CHECK_LIB(Xrandr, XRRQueryExtension, have_xrandr_lib=yes)
  1650                         if test x$have_xrandr_lib = xyes ; then
  1651                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXrandr"
  1652                             definitely_enable_video_x11_xrandr=yes
  1653                         fi
  1654                     fi
  1655                 fi
  1656             fi
  1657             if test x$definitely_enable_video_x11_xrandr = xyes; then
  1658                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XRANDR, 1, [ ])
  1659                 SUMMARY_video_x11="${SUMMARY_video_x11} xrandr"
  1660             fi
  1661             AC_ARG_ENABLE(video-x11-scrnsaver,
  1662 AC_HELP_STRING([--enable-video-x11-scrnsaver], [enable X11 screensaver extension [[default=yes]]]),
  1663                             , enable_video_x11_scrnsaver=yes)
  1664             if test x$enable_video_x11_scrnsaver = xyes; then
  1665                 AC_CHECK_HEADER(X11/extensions/scrnsaver.h,
  1666                                 have_scrnsaver_h_hdr=yes,
  1667                                 have_scrnsaver_h_hdr=no,
  1668                                 [#include <X11/Xlib.h>
  1669                                 ])
  1670                 if test x$have_scrnsaver_h_hdr = xyes; then
  1671                     if test x$enable_x11_shared = xyes && test x$xss_lib != x ; then
  1672                         echo "-- dynamic libXss -> $xss_lib"
  1673                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS, "$xss_lib", [ ])
  1674                         definitely_enable_video_x11_scrnsaver=yes
  1675                     else
  1676                         AC_CHECK_LIB(Xss, XScreenSaverSuspend, have_xss_lib=yes)
  1677                         if test x$have_xss_lib = xyes ; then
  1678                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXss"
  1679                             definitely_enable_video_x11_scrnsaver=yes
  1680                         fi
  1681                     fi
  1682                 fi
  1683             fi
  1684             if test x$definitely_enable_video_x11_scrnsaver = xyes; then
  1685                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSCRNSAVER, 1, [ ])
  1686                 SUMMARY_video_x11="${SUMMARY_video_x11} xscrnsaver"
  1687             fi
  1688             AC_ARG_ENABLE(video-x11-xshape,
  1689 AC_HELP_STRING([--enable-video-x11-xshape], [enable X11 XShape support [[default=yes]]]),
  1690                             , enable_video_x11_xshape=yes)
  1691             if test x$enable_video_x11_xshape = xyes; then
  1692                 AC_CHECK_HEADER(X11/extensions/shape.h,
  1693                                 have_shape_h_hdr=yes,
  1694                                 have_shape_h_hdr=no,
  1695                                 [#include <X11/Xlib.h>
  1696                                 ])
  1697                 if test x$have_shape_h_hdr = xyes; then
  1698                     AC_DEFINE(SDL_VIDEO_DRIVER_X11_XSHAPE, 1, [ ])
  1699                     SUMMARY_video_x11="${SUMMARY_video_x11} xshape"
  1700                 fi
  1701             fi
  1702             AC_ARG_ENABLE(video-x11-vm,
  1703 AC_HELP_STRING([--enable-video-x11-vm], [use X11 VM extension for fullscreen [[default=yes]]]),
  1704                             , enable_video_x11_vm=yes)
  1705             if test x$enable_video_x11_vm = xyes; then
  1706                 definitely_enable_video_x11_vm=no
  1707                 AC_CHECK_HEADER(X11/extensions/xf86vmode.h,
  1708                                 have_vm_h_hdr=yes,
  1709                                 have_vm_h_hdr=no,
  1710                                 [#include <X11/Xlib.h>
  1711                                 ])
  1712                 if test x$have_vm_h_hdr = xyes; then
  1713                     if test x$enable_x11_shared = xyes && test x$xvidmode_lib != x ; then
  1714                         echo "-- dynamic libXxf86vm -> $xvidmode_lib"
  1715                         AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_X11_DYNAMIC_XVIDMODE, "$xvidmode_lib", [ ])
  1716                         definitely_enable_video_x11_vm=yes
  1717                     else
  1718                         AC_CHECK_LIB(Xxf86vm, XF86VidModeQueryVersion, have_vm_lib=yes)
  1719                         if test x$have_vm_lib = xyes ; then
  1720                             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lXxf86vm"
  1721                             definitely_enable_video_x11_vm=yes
  1722                         fi
  1723                     fi
  1724                 fi
  1725             fi
  1726             if test x$definitely_enable_video_x11_vm = xyes; then
  1727                 AC_DEFINE(SDL_VIDEO_DRIVER_X11_XVIDMODE, 1, [ ])
  1728                 SUMMARY_video_x11="${SUMMARY_video_x11} xvidmode"
  1729             fi
  1730         fi
  1731     fi
  1732 }
  1733 
  1734 dnl Set up the Vivante video driver if enabled
  1735 CheckVivanteVideo()
  1736 {
  1737     AC_ARG_ENABLE(video-vivante,
  1738 AC_HELP_STRING([--enable-video-vivante], [use Vivante EGL video driver [[default=yes]]]),
  1739                   , enable_video_vivante=yes)
  1740     if test x$enable_video = xyes -a x$enable_video_vivante = xyes; then
  1741         AC_MSG_CHECKING(for Vivante VDK API)
  1742         have_vivante_vdk=no
  1743         AC_TRY_COMPILE([
  1744           #define LINUX
  1745           #define EGL_API_FB
  1746           #include <gc_vdk.h>
  1747         ],[
  1748         ],[
  1749         have_vivante_vdk=yes
  1750         ])
  1751         AC_MSG_RESULT($have_vivante_vdk)
  1752 
  1753         AC_MSG_CHECKING(for Vivante FB API)
  1754         have_vivante_egl=no
  1755         AC_TRY_COMPILE([
  1756           #define LINUX
  1757           #define EGL_API_FB
  1758           #include <EGL/eglvivante.h>
  1759         ],[
  1760         ],[
  1761         have_vivante_egl=yes
  1762         ])
  1763         AC_MSG_RESULT($have_vivante_egl)
  1764 
  1765         if test x$have_vivante_vdk = xyes -o x$have_vivante_egl = xyes; then
  1766             AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE, 1, [ ])
  1767             EXTRA_CFLAGS="$EXTRA_CFLAGS -DLINUX -DEGL_API_FB"
  1768             if test x$have_vivante_vdk = xyes; then
  1769                 AC_DEFINE(SDL_VIDEO_DRIVER_VIVANTE_VDK, 1, [ ])
  1770                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lVDK"
  1771             fi
  1772             SOURCES="$SOURCES $srcdir/src/video/vivante/*.c"
  1773             SUMMARY_video="${SUMMARY_video} vivante"
  1774             have_video=yes
  1775         fi
  1776     fi
  1777 }
  1778 
  1779 dnl Set up the Haiku video driver if enabled
  1780 CheckHaikuVideo()
  1781 {
  1782     if test x$enable_video = xyes; then
  1783         AC_DEFINE(SDL_VIDEO_DRIVER_HAIKU, 1, [ ])
  1784         SOURCES="$SOURCES $srcdir/src/video/haiku/*.cc"
  1785         have_video=yes
  1786         SUMMARY_video="${SUMMARY_video} haiku"
  1787     fi
  1788 }
  1789 
  1790 dnl Set up the Cocoa video driver for Mac OS X (but not Darwin)
  1791 CheckCOCOA()
  1792 {
  1793     AC_ARG_ENABLE(video-cocoa,
  1794 AC_HELP_STRING([--enable-video-cocoa], [use Cocoa video driver [[default=yes]]]),
  1795                   , enable_video_cocoa=yes)
  1796     if test x$enable_video = xyes -a x$enable_video_cocoa = xyes; then
  1797         save_CFLAGS="$CFLAGS"
  1798         dnl work around that we don't have Objective-C support in autoconf
  1799         CFLAGS="$CFLAGS -x objective-c"
  1800         AC_MSG_CHECKING(for Cocoa framework)
  1801         have_cocoa=no
  1802         AC_TRY_COMPILE([
  1803           #import <Cocoa/Cocoa.h>
  1804         ],[
  1805         ],[
  1806         have_cocoa=yes
  1807         ])
  1808         AC_MSG_RESULT($have_cocoa)
  1809         CFLAGS="$save_CFLAGS"
  1810         if test x$have_cocoa = xyes; then
  1811             AC_DEFINE(SDL_VIDEO_DRIVER_COCOA, 1, [ ])
  1812             SOURCES="$SOURCES $srcdir/src/video/cocoa/*.m"
  1813             SUMMARY_video="${SUMMARY_video} cocoa"
  1814             have_video=yes
  1815         fi
  1816     fi
  1817 }
  1818 
  1819 dnl Find DirectFB
  1820 CheckDirectFB()
  1821 {
  1822     AC_ARG_ENABLE(video-directfb,
  1823 AC_HELP_STRING([--enable-video-directfb], [use DirectFB video driver [[default=no]]]),
  1824                   , enable_video_directfb=no)
  1825     if test x$enable_video = xyes -a x$enable_video_directfb = xyes; then
  1826         video_directfb=no
  1827 
  1828         DIRECTFB_REQUIRED_VERSION=1.0.0
  1829         AC_PATH_PROGS(DIRECTFBCONFIG, directfb-config, no, [$prefix/bin:$PATH])
  1830         if test x$DIRECTFBCONFIG = xno; then
  1831             AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1832             if test x$PKG_CONFIG != xno; then
  1833                 if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $DIRECTFB_REQUIRED_VERSION directfb; then
  1834                     DIRECTFB_CFLAGS=`$PKG_CONFIG --cflags directfb`
  1835                     DIRECTFB_LIBS=`$PKG_CONFIG --libs directfb`
  1836                     DIRECTFB_PREFIX=`$PKG_CONFIG --variable=prefix directfb`
  1837                     video_directfb=yes
  1838                 fi
  1839             fi
  1840         else
  1841             set -- `echo $DIRECTFB_REQUIRED_VERSION | sed 's/\./ /g'`
  1842             NEED_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1843             set -- `$DIRECTFBCONFIG --version | sed 's/\./ /g'`
  1844             HAVE_VERSION=`expr $1 \* 10000 + $2 \* 100 + $3`
  1845             if test $HAVE_VERSION -ge $NEED_VERSION; then
  1846                 DIRECTFB_CFLAGS=`$DIRECTFBCONFIG --cflags`
  1847                 DIRECTFB_LIBS=`$DIRECTFBCONFIG --libs`
  1848                 DIRECTFB_PREFIX=`$DIRECTFBCONFIG --prefix`
  1849                 video_directfb=yes
  1850             fi
  1851         fi
  1852         if test x$video_directfb = xyes; then
  1853             # SuSE 11.1 installs directfb-config without directfb-devel
  1854             save_CPPFLAGS="$CPPFLAGS"
  1855             CPPFLAGS="$CPPFLAGS $DIRECTFB_CFLAGS"
  1856             AC_CHECK_HEADER(directfb.h, have_directfb_hdr=yes, have_directfb_hdr=no)
  1857             CPPFLAGS="$save_CPPFLAGS"
  1858             video_directfb=$have_directfb_hdr
  1859         fi
  1860         AC_MSG_CHECKING(for DirectFB $DIRECTFB_REQUIRED_VERSION support)
  1861         AC_MSG_RESULT($video_directfb)
  1862 
  1863         if test x$video_directfb = xyes; then
  1864             AC_ARG_ENABLE(directfb-shared,
  1865 AC_HELP_STRING([--enable-directfb-shared], [dynamically load directfb support [[default=yes]]]),
  1866                               , enable_directfb_shared=yes)
  1867 
  1868             AC_DEFINE(SDL_VIDEO_DRIVER_DIRECTFB, 1, [ ])
  1869             AC_DEFINE(SDL_VIDEO_RENDER_DIRECTFB, 1, [ ])
  1870             SOURCES="$SOURCES $srcdir/src/video/directfb/*.c"
  1871             EXTRA_CFLAGS="$EXTRA_CFLAGS $DIRECTFB_CFLAGS"
  1872 
  1873             AC_MSG_CHECKING(for directfb dynamic loading support)
  1874             directfb_shared=no
  1875             directfb_lib=[`find_lib "libdirectfb.so.*" "$DIRECTFB_LIBS"`]
  1876             # | sed 's/.*\/\(.*\)/\1/; q'`]
  1877 AC_MSG_WARN("directfb $directfb_lib")
  1878             if test x$have_loadso != xyes && \
  1879                test x$enable_directfb_shared = xyes; then
  1880                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic directfb loading])
  1881             fi
  1882             if test x$have_loadso = xyes && \
  1883                test x$enable_directfb_shared = xyes && test x$directfb_lib != x; then
  1884                 directfb_shared=yes
  1885                 echo "-- $directfb_lib_spec -> $directfb_lib"
  1886                 AC_DEFINE_UNQUOTED(SDL_VIDEO_DRIVER_DIRECTFB_DYNAMIC, "$directfb_lib", [ ])
  1887                 SUMMARY_video="${SUMMARY_video} directfb(dynamic)"
  1888             else
  1889                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $DIRECTFB_LIBS"
  1890                 SUMMARY_video="${SUMMARY_video} directfb"
  1891             fi
  1892             AC_MSG_RESULT($directfb_shared)
  1893             SDL_CFLAGS="$SDL_CFLAGS $DIRECTFB_CFLAGS"
  1894             have_video=yes
  1895         fi
  1896     fi
  1897 }
  1898 
  1899 dnl Find FusionSound
  1900 CheckFusionSound()
  1901 {
  1902     AC_ARG_ENABLE(fusionsound,
  1903 AC_HELP_STRING([--enable-fusionsound], [use FusionSound audio driver [[default=no]]]),
  1904                   , enable_fusionsound=no)
  1905     if test x$enable_audio = xyes -a x$enable_fusionsound = xyes; then
  1906         fusionsound=no
  1907 
  1908         FUSIONSOUND_REQUIRED_VERSION=1.1.1
  1909 
  1910         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  1911         AC_MSG_CHECKING(for FusionSound $FUSIONSOUND_REQUIRED_VERSION support)
  1912         if test x$PKG_CONFIG != xno; then
  1913             if $PKG_CONFIG --atleast-pkgconfig-version 0.7 && $PKG_CONFIG --atleast-version $FUSIONSOUND_REQUIRED_VERSION fusionsound; then
  1914                 FUSIONSOUND_CFLAGS=`$PKG_CONFIG --cflags fusionsound`
  1915                 FUSIONSOUND_LIBS=`$PKG_CONFIG --libs fusionsound`
  1916                 fusionsound=yes
  1917             fi
  1918         fi
  1919         AC_MSG_RESULT($fusionsound)
  1920 
  1921         if test x$fusionsound = xyes; then
  1922             AC_DEFINE(SDL_AUDIO_DRIVER_FUSIONSOUND, 1, [ ])
  1923             SOURCES="$SOURCES $srcdir/src/audio/fusionsound/*.c"
  1924             EXTRA_CFLAGS="$EXTRA_CFLAGS $FUSIONSOUND_CFLAGS"
  1925             
  1926             AC_ARG_ENABLE(fusionsound-shared,
  1927 AC_HELP_STRING([--enable-fusionsound-shared], [dynamically load fusionsound audio support [[default=yes]]]),
  1928                           , enable_fusionsound_shared=yes)
  1929             fusionsound_shared=no
  1930             AC_MSG_CHECKING(for FusionSound dynamic loading support)
  1931             if test x$have_loadso != xyes && \
  1932                test x$enable_fusionsound_shared = xyes; then
  1933                 AC_MSG_WARN([You must have SDL_LoadObject() support for dynamic fusionsound loading])
  1934             fi
  1935             if test x$have_loadso = xyes && \
  1936                test x$enable_fusionsound_shared = xyes; then
  1937                 AC_DEFINE_UNQUOTED(SDL_AUDIO_DRIVER_FUSIONSOUND_DYNAMIC, "libfusionsound.so", [ ])
  1938                 fusionsound_shared=yes
  1939                 SUMMARY_audio="${SUMMARY_audio} fusionsound(dynamic)"
  1940             else
  1941                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS $FUSIONSOUND_LIBS"
  1942                 SUMMARY_audio="${SUMMARY_audio} fusionsound"
  1943             fi
  1944             AC_MSG_RESULT($fusionsound_shared)
  1945             
  1946             have_audio=yes
  1947         fi
  1948     fi
  1949 }
  1950 
  1951 dnl rcg04172001 Set up the Null video driver.
  1952 CheckDummyVideo()
  1953 {
  1954     AC_ARG_ENABLE(video-dummy,
  1955 AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]]),
  1956                   , enable_video_dummy=yes)
  1957     if test x$enable_video_dummy = xyes; then
  1958         AC_DEFINE(SDL_VIDEO_DRIVER_DUMMY, 1, [ ])
  1959         SOURCES="$SOURCES $srcdir/src/video/dummy/*.c"
  1960         have_video=yes
  1961         SUMMARY_video="${SUMMARY_video} dummy"
  1962     fi
  1963 }
  1964 
  1965 dnl Check to see if OpenGL support is desired
  1966 AC_ARG_ENABLE(video-opengl,
  1967 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
  1968               , enable_video_opengl=yes)
  1969 
  1970 dnl Find OpenGL
  1971 CheckOpenGLX11()
  1972 {
  1973     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  1974         AC_MSG_CHECKING(for OpenGL (GLX) support)
  1975         video_opengl=no
  1976         AC_TRY_COMPILE([
  1977          #include <GL/gl.h>
  1978          #include <GL/glx.h>
  1979         ],[
  1980         ],[
  1981         video_opengl=yes
  1982         ])
  1983         AC_MSG_RESULT($video_opengl)
  1984         if test x$video_opengl = xyes; then
  1985             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  1986             AC_DEFINE(SDL_VIDEO_OPENGL_GLX, 1, [ ])
  1987             AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  1988             SUMMARY_video="${SUMMARY_video} opengl"
  1989         fi
  1990     fi
  1991 }
  1992 
  1993 dnl Check to see if OpenGL ES support is desired
  1994 AC_ARG_ENABLE(video-opengles,
  1995 AC_HELP_STRING([--enable-video-opengles], [include OpenGL ES support [[default=yes]]]),
  1996               , enable_video_opengles=yes)
  1997 AC_ARG_ENABLE(video-opengles1,
  1998 AC_HELP_STRING([--enable-video-opengles1], [include OpenGL ES 1.1 support [[default=yes]]]),
  1999               , enable_video_opengles1=yes)
  2000 AC_ARG_ENABLE(video-opengles2,
  2001 AC_HELP_STRING([--enable-video-opengles2], [include OpenGL ES 2.0 support [[default=yes]]]),
  2002               , enable_video_opengles2=yes)
  2003 
  2004 dnl Find OpenGL ES
  2005 CheckOpenGLESX11()
  2006 {
  2007     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2008         AC_MSG_CHECKING(for EGL support)
  2009         video_opengl_egl=no
  2010         AC_TRY_COMPILE([
  2011           #define LINUX
  2012           #define EGL_API_FB
  2013           #include <EGL/egl.h>
  2014           #include <EGL/eglext.h>
  2015         ],[
  2016         ],[
  2017         video_opengl_egl=yes
  2018         ])
  2019         AC_MSG_RESULT($video_opengl_egl)
  2020         if test x$video_opengl_egl = xyes; then
  2021             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2022         fi
  2023             
  2024         if test x$enable_video_opengles1 = xyes; then
  2025             AC_MSG_CHECKING(for OpenGL ES v1 headers)
  2026             video_opengles_v1=no
  2027             AC_TRY_COMPILE([
  2028              #include <GLES/gl.h>
  2029              #include <GLES/glext.h>
  2030             ],[
  2031             ],[
  2032             video_opengles_v1=yes
  2033             ])
  2034             AC_MSG_RESULT($video_opengles_v1)
  2035             if test x$video_opengles_v1 = xyes; then
  2036                 AC_DEFINE(SDL_VIDEO_OPENGL_ES, 1, [ ])
  2037                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES, 1, [ ])
  2038                 SUMMARY_video="${SUMMARY_video} opengl_es1"
  2039             fi
  2040         fi
  2041         
  2042         if test x$enable_video_opengles2 = xyes; then
  2043             AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2044             video_opengles_v2=no
  2045             AC_TRY_COMPILE([
  2046              #include <GLES2/gl2.h>
  2047              #include <GLES2/gl2ext.h>
  2048             ],[
  2049             ],[
  2050             video_opengles_v2=yes
  2051             ])
  2052             AC_MSG_RESULT($video_opengles_v2)
  2053             if test x$video_opengles_v2 = xyes; then
  2054                 AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2055                 AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2056                 SUMMARY_video="${SUMMARY_video} opengl_es2"
  2057             fi
  2058         fi
  2059     fi
  2060 }
  2061 
  2062 dnl Check for Windows OpenGL
  2063 CheckWINDOWSGL()
  2064 {
  2065     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2066         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2067         AC_DEFINE(SDL_VIDEO_OPENGL_WGL, 1, [ ])
  2068         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2069         SUMMARY_video="${SUMMARY_video} opengl"
  2070     fi
  2071 }
  2072 
  2073 dnl Check for Windows OpenGL
  2074 CheckWINDOWSGLES()
  2075 {
  2076     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2077 
  2078         AC_MSG_CHECKING(for EGL support)
  2079         video_opengl_egl=no
  2080         AC_TRY_COMPILE([
  2081          #include <EGL/egl.h>
  2082         ],[
  2083         ],[
  2084         video_opengl_egl=yes
  2085         ])
  2086         AC_MSG_RESULT($video_opengl_egl)
  2087         if test x$video_opengl_egl = xyes; then
  2088             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2089             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2090             SUMMARY_video="${SUMMARY_video} opengl_es1"
  2091         fi
  2092        
  2093         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2094         video_opengles_v2=no
  2095         AC_TRY_COMPILE([
  2096          #include <GLES2/gl2.h>
  2097          #include <GLES2/gl2ext.h>
  2098         ],[
  2099         ],[
  2100         video_opengles_v2=yes
  2101         ])
  2102         AC_MSG_RESULT($video_opengles_v2)
  2103         if test x$video_opengles_v2 = xyes; then
  2104             AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2105             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2106             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2107             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2108         fi
  2109     fi
  2110 }
  2111 
  2112 dnl Check for Haiku OpenGL
  2113 CheckHaikuGL()
  2114 {
  2115     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2116         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2117         AC_DEFINE(SDL_VIDEO_OPENGL_HAIKU, 1, [ ])
  2118         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2119         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lGL"
  2120         SUMMARY_video="${SUMMARY_video} opengl"
  2121     fi
  2122 }
  2123 
  2124 dnl Check for MacOS OpenGL
  2125 CheckMacGL()
  2126 {
  2127     if test x$enable_video = xyes -a x$enable_video_opengl = xyes; then
  2128         AC_DEFINE(SDL_VIDEO_OPENGL, 1, [ ])
  2129         AC_DEFINE(SDL_VIDEO_OPENGL_CGL, 1, [ ])
  2130         AC_DEFINE(SDL_VIDEO_RENDER_OGL, 1, [ ])
  2131         SUMMARY_video="${SUMMARY_video} opengl"
  2132     fi
  2133 }
  2134 
  2135 CheckEmscriptenGLES()
  2136 {
  2137     if test x$enable_video = xyes -a x$enable_video_opengles = xyes; then
  2138         AC_MSG_CHECKING(for EGL support)
  2139         video_opengl_egl=no
  2140         AC_TRY_COMPILE([
  2141          #include <EGL/egl.h>
  2142         ],[
  2143         ],[
  2144         video_opengl_egl=yes
  2145         ])
  2146         AC_MSG_RESULT($video_opengl_egl)
  2147         if test x$video_opengl_egl = xyes; then
  2148             AC_DEFINE(SDL_VIDEO_OPENGL_EGL, 1, [ ])
  2149         fi
  2150 
  2151         AC_MSG_CHECKING(for OpenGL ES v2 headers)
  2152         video_opengles_v2=no
  2153         AC_TRY_COMPILE([
  2154          #include <GLES2/gl2.h>
  2155          #include <GLES2/gl2ext.h>
  2156         ],[
  2157         ],[
  2158         video_opengles_v2=yes
  2159         ])
  2160         AC_MSG_RESULT($video_opengles_v2)
  2161         if test x$video_opengles_v2 = xyes; then
  2162             AC_DEFINE(SDL_VIDEO_OPENGL_ES2, 1, [ ])
  2163             AC_DEFINE(SDL_VIDEO_RENDER_OGL_ES2, 1, [ ])
  2164             SUMMARY_video="${SUMMARY_video} opengl_es2"
  2165         fi
  2166     fi
  2167 }
  2168 
  2169 dnl See if we can use the new unified event interface in Linux 2.4
  2170 CheckInputEvents()
  2171 {
  2172     dnl Check for Linux 2.4 unified input event interface support
  2173         AC_MSG_CHECKING(for Linux 2.4 unified input interface)
  2174         use_input_events=no
  2175         AC_TRY_COMPILE([
  2176           #include <linux/input.h>
  2177         ],[
  2178           #ifndef EVIOCGNAME
  2179           #error EVIOCGNAME() ioctl not available
  2180           #endif
  2181         ],[
  2182         use_input_events=yes
  2183         ])
  2184         AC_MSG_RESULT($use_input_events)
  2185         if test x$use_input_events = xyes; then
  2186             AC_DEFINE(SDL_INPUT_LINUXEV, 1, [ ])
  2187             SUMMARY_input="${SUMMARY_input} linuxev"
  2188         fi
  2189 }
  2190 
  2191 dnl See if we can use the kernel kd.h header
  2192 CheckInputKD()
  2193 {
  2194 
  2195     AC_MSG_CHECKING(for Linux kd.h)
  2196     use_input_kd=no
  2197     AC_TRY_COMPILE([
  2198       #include <linux/kd.h>
  2199       #include <linux/keyboard.h>
  2200     ],[
  2201         struct kbentry kbe;
  2202         kbe.kb_table = KG_CTRL;
  2203         ioctl(0, KDGKBENT, &kbe);
  2204     ],[
  2205     use_input_kd=yes
  2206     ])
  2207     AC_MSG_RESULT($use_input_kd)
  2208     if test x$use_input_kd = xyes; then
  2209         AC_DEFINE(SDL_INPUT_LINUXKD, 1, [ ])
  2210         SUMMARY_input="${SUMMARY_input} linuxkd"
  2211     fi
  2212 }
  2213 
  2214 dnl See if the platform offers libudev for device enumeration and hotplugging.
  2215 CheckLibUDev()
  2216 {
  2217     AC_ARG_ENABLE(libudev,
  2218 AC_HELP_STRING([--enable-libudev], [enable libudev support [[default=yes]]]),
  2219                         , enable_libudev=yes)
  2220     if test x$enable_libudev = xyes; then
  2221         AC_CHECK_HEADER(libudev.h,
  2222                         have_libudev_h_hdr=yes,
  2223                         have_libudev_h_hdr=no)
  2224         if test x$have_libudev_h_hdr = xyes; then
  2225             AC_DEFINE(HAVE_LIBUDEV_H, 1, [ ])
  2226         fi
  2227     fi
  2228 }
  2229 
  2230 dnl See if the platform offers libdbus for various IPC techniques.
  2231 CheckDBus()
  2232 {
  2233     AC_ARG_ENABLE(dbus,
  2234 AC_HELP_STRING([--enable-dbus], [enable D-Bus support [[default=yes]]]),
  2235                         , enable_dbus=yes)
  2236     if test x$enable_dbus = xyes; then
  2237         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2238         if test x$PKG_CONFIG != xno; then
  2239             DBUS_CFLAGS=`$PKG_CONFIG --cflags dbus-1`
  2240             save_CFLAGS="$CFLAGS"
  2241             CFLAGS="$save_CFLAGS $DBUS_CFLAGS"
  2242             AC_CHECK_HEADER(dbus/dbus.h,
  2243                             have_dbus_dbus_h_hdr=yes,
  2244                             have_dbus_dbus_h_hdr=no)
  2245             CFLAGS="$save_CFLAGS"
  2246             if test x$have_dbus_dbus_h_hdr = xyes; then
  2247                 AC_DEFINE(HAVE_DBUS_DBUS_H, 1, [ ])
  2248                 EXTRA_CFLAGS="$EXTRA_CFLAGS $DBUS_CFLAGS"
  2249                 SOURCES="$SOURCES $srcdir/src/core/linux/SDL_dbus.c"
  2250             fi
  2251         fi
  2252     fi
  2253 }
  2254 
  2255 dnl See if the platform has libibus IME support.
  2256 CheckIBus()
  2257 {
  2258     AC_ARG_ENABLE(ibus,
  2259 AC_HELP_STRING([--enable-ibus], [enable IBus support [[default=yes]]]),
  2260                   , enable_ibus=yes)
  2261     if test x$enable_ibus = xyes; then
  2262         AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  2263         if test x$PKG_CONFIG != xno; then
  2264             IBUS_CFLAGS=`$PKG_CONFIG --cflags ibus-1.0`
  2265             save_CFLAGS="$CFLAGS"
  2266             CFLAGS="$save_CFLAGS $IBUS_CFLAGS"
  2267             AC_CHECK_HEADER(ibus-1.0/ibus.h,
  2268                             have_ibus_ibus_h_hdr=yes,
  2269                             have_ibus_ibus_h_hdr=no)
  2270             AC_CHECK_HEADER(sys/inotify.h,
  2271                             have_inotify_inotify_h_hdr=yes,
  2272                             have_inotify_inotify_h_hdr=no)
  2273             CFLAGS="$save_CFLAGS"
  2274             if test x$have_ibus_ibus_h_hdr = xyes; then
  2275                 if test x$enable_dbus != xyes; then
  2276                     AC_MSG_WARN([DBus support is required for IBus.])
  2277                     have_ibus_ibus_h_hdr=no
  2278                 elif test x$have_inotify_inotify_h_hdr != xyes; then
  2279                     AC_MSG_WARN([INotify support is required for IBus.])
  2280                     have_ibus_ibus_h_hdr=no
  2281                 else
  2282                     AC_DEFINE(HAVE_IBUS_IBUS_H, 1, [ ])
  2283                     EXTRA_CFLAGS="$EXTRA_CFLAGS $IBUS_CFLAGS"
  2284                     SOURCES="$SOURCES $srcdir/src/core/linux/SDL_ibus.c"
  2285                fi
  2286             fi
  2287         fi
  2288     fi
  2289 }
  2290 
  2291 dnl See if we can use the Touchscreen input library
  2292 CheckTslib()
  2293 {
  2294     AC_ARG_ENABLE(input-tslib,
  2295 AC_HELP_STRING([--enable-input-tslib], [use the Touchscreen library for input [[default=yes]]]),
  2296                   , enable_input_tslib=yes)
  2297     if test x$enable_input_tslib = xyes; then
  2298         AC_MSG_CHECKING(for Touchscreen library support)
  2299         enable_input_tslib=no
  2300         AC_TRY_COMPILE([
  2301           #include "tslib.h"
  2302         ],[
  2303         ],[
  2304         enable_input_tslib=yes
  2305         ])
  2306         AC_MSG_RESULT($enable_input_tslib)
  2307         if test x$enable_input_tslib = xyes; then
  2308             AC_DEFINE(SDL_INPUT_TSLIB, 1, [ ])
  2309             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lts"
  2310             SUMMARY_input="${SUMMARY_input} ts"
  2311         fi
  2312     fi
  2313 }
  2314 
  2315 dnl See what type of thread model to use on Linux and Solaris
  2316 CheckPTHREAD()
  2317 {
  2318     dnl Check for pthread support
  2319     AC_ARG_ENABLE(pthreads,
  2320 AC_HELP_STRING([--enable-pthreads], [use POSIX threads for multi-threading [[default=yes]]]),
  2321                   , enable_pthreads=yes)
  2322     dnl This is used on Linux for glibc binary compatibility (Doh!)
  2323     AC_ARG_ENABLE(pthread-sem,
  2324 AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]]),
  2325                   , enable_pthread_sem=yes)
  2326     case "$host" in
  2327          *-*-androideabi*)
  2328             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2329             pthread_lib=""
  2330             ;;
  2331         *-*-linux*|*-*-uclinux*)
  2332             pthread_cflags="-D_REENTRANT"
  2333             pthread_lib="-lpthread"
  2334             ;;
  2335         *-*-bsdi*)
  2336             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2337             pthread_lib=""
  2338             ;;
  2339         *-*-darwin*)
  2340             pthread_cflags="-D_THREAD_SAFE"
  2341 # causes Carbon.p complaints?
  2342 #            pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2343             ;;
  2344         *-*-freebsd*|*-*-dragonfly*)
  2345             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2346             pthread_lib="-pthread"
  2347             ;;
  2348         *-*-netbsd*)
  2349             pthread_cflags="-D_REENTRANT -D_THREAD_SAFE"
  2350             pthread_lib="-lpthread"
  2351             ;;
  2352         *-*-openbsd*)
  2353             pthread_cflags="-D_REENTRANT"
  2354             pthread_lib="-pthread"
  2355             ;;
  2356         *-*-solaris2.9)
  2357             # From Solaris 9+, posix4's preferred name is rt.
  2358             pthread_cflags="-D_REENTRANT"
  2359             pthread_lib="-lpthread -lrt"
  2360             ;;
  2361         *-*-solaris2.10)
  2362             # Solaris 10+ merged pthread into libc.
  2363             pthread_cflags="-D_REENTRANT"
  2364             pthread_lib="-lrt"
  2365             ;;
  2366         *-*-solaris*)
  2367             # Solaris 11+ merged rt into libc.
  2368             pthread_cflags="-D_REENTRANT"
  2369             pthread_lib=""
  2370             ;;
  2371         *-*-sysv5*)
  2372             pthread_cflags="-D_REENTRANT -Kthread"
  2373             pthread_lib=""
  2374             ;;
  2375         *-*-aix*)
  2376             pthread_cflags="-D_REENTRANT -mthreads"
  2377             pthread_lib="-lpthread"
  2378             ;;
  2379         *-*-hpux11*)
  2380             pthread_cflags="-D_REENTRANT"
  2381             pthread_lib="-L/usr/lib -lpthread"
  2382             ;;
  2383         *-*-haiku*)
  2384             pthread_cflags="-D_REENTRANT"
  2385             pthread_lib=""
  2386             ;;
  2387         *)
  2388             pthread_cflags="-D_REENTRANT"
  2389             pthread_lib="-lpthread"
  2390             ;;
  2391     esac
  2392     if test x$enable_threads = xyes -a x$enable_pthreads = xyes; then
  2393         # Save the original compiler flags and libraries
  2394         ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2395         # Add the pthread compiler flags and libraries
  2396         CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2397         # Check to see if we have pthread support on this system
  2398         AC_MSG_CHECKING(for pthreads)
  2399         use_pthreads=no
  2400         AC_TRY_LINK([
  2401          #include <pthread.h>
  2402         ],[
  2403          pthread_attr_t type;
  2404          pthread_attr_init(&type);
  2405         ],[
  2406         use_pthreads=yes
  2407         ])
  2408         AC_MSG_RESULT($use_pthreads)
  2409         # Restore the compiler flags and libraries
  2410         CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2411 
  2412         # Do futher testing if we have pthread support...
  2413         if test x$use_pthreads = xyes; then
  2414             AC_DEFINE(SDL_THREAD_PTHREAD, 1, [ ])
  2415             EXTRA_CFLAGS="$EXTRA_CFLAGS $pthread_cflags"
  2416             EXTRA_LDFLAGS="$EXTRA_LDFLAGS $pthread_lib"
  2417             SDL_CFLAGS="$SDL_CFLAGS $pthread_cflags"
  2418 
  2419             # Save the original compiler flags and libraries
  2420             ac_save_cflags="$CFLAGS"; ac_save_libs="$LIBS"
  2421             # Add the pthread compiler flags and libraries
  2422             CFLAGS="$CFLAGS $pthread_cflags"; LIBS="$LIBS $pthread_lib"
  2423 
  2424             # Check to see if recursive mutexes are available
  2425             AC_MSG_CHECKING(for recursive mutexes)
  2426             has_recursive_mutexes=no
  2427             if test x$has_recursive_mutexes = xno; then
  2428                 AC_TRY_LINK([
  2429                   #define _GNU_SOURCE 1
  2430                   #include <pthread.h>
  2431                 ],[
  2432                   pthread_mutexattr_t attr;
  2433                   pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
  2434                 ],[
  2435                 has_recursive_mutexes=yes
  2436                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX, 1, [ ])
  2437                 ])
  2438             fi
  2439             if test x$has_recursive_mutexes = xno; then
  2440                 AC_TRY_LINK([
  2441                   #define _GNU_SOURCE 1
  2442                   #include <pthread.h>
  2443                 ],[
  2444                   pthread_mutexattr_t attr;
  2445                   pthread_mutexattr_setkind_np(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
  2446                 ],[
  2447                 has_recursive_mutexes=yes
  2448                 AC_DEFINE(SDL_THREAD_PTHREAD_RECURSIVE_MUTEX_NP, 1, [ ])
  2449                 ])
  2450             fi
  2451             AC_MSG_RESULT($has_recursive_mutexes)
  2452 
  2453             # Check to see if pthread semaphore support is missing
  2454             if test x$enable_pthread_sem = xyes; then
  2455                 AC_MSG_CHECKING(for pthread semaphores)
  2456                 have_pthread_sem=no
  2457                 AC_TRY_COMPILE([
  2458                   #include <pthread.h>
  2459                   #include <semaphore.h>
  2460                 ],[
  2461                 ],[
  2462                 have_pthread_sem=yes
  2463                 ])
  2464                 AC_MSG_RESULT($have_pthread_sem)
  2465             fi
  2466             if test x$have_pthread_sem = xyes; then
  2467                 AC_MSG_CHECKING(for sem_timedwait)
  2468                 have_sem_timedwait=no
  2469                 AC_TRY_LINK([
  2470                   #include <pthread.h>
  2471                   #include <semaphore.h>
  2472                 ],[
  2473                   sem_timedwait(NULL, NULL);
  2474                 ],[
  2475                 have_sem_timedwait=yes
  2476                 AC_DEFINE(HAVE_SEM_TIMEDWAIT)
  2477                 ])
  2478                 AC_MSG_RESULT($have_sem_timedwait)
  2479             fi
  2480 
  2481             AC_CHECK_HEADER(pthread_np.h, have_pthread_np_h=yes, have_pthread_np_h=no, [ #include <pthread.h> ])
  2482             if test x$have_pthread_np_h = xyes; then
  2483                 AC_DEFINE(HAVE_PTHREAD_NP_H, 1, [ ])
  2484             fi
  2485 
  2486             # Check to see if pthread naming is available
  2487             AC_MSG_CHECKING(for pthread_setname_np)
  2488             AC_TRY_LINK_FUNC(pthread_setname_np, [
  2489               has_pthread_setname_np=yes
  2490               AC_DEFINE(HAVE_PTHREAD_SETNAME_NP, 1, [ ])
  2491             ],[
  2492               has_pthread_setname_np=no
  2493             ])
  2494             AC_MSG_RESULT($has_pthread_setname_np)
  2495 
  2496             AC_MSG_CHECKING(for pthread_set_name_np)
  2497             AC_TRY_LINK_FUNC(pthread_set_name_np, [
  2498               has_pthread_set_name_np=yes
  2499               AC_DEFINE(HAVE_PTHREAD_SET_NAME_NP, 1, [ ])
  2500             ],[
  2501               has_pthread_set_name_np=no
  2502             ])
  2503             AC_MSG_RESULT($has_pthread_set_name_np)
  2504 
  2505             # Restore the compiler flags and libraries
  2506             CFLAGS="$ac_save_cflags"; LIBS="$ac_save_libs"
  2507 
  2508             # Basic thread creation functions
  2509             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systhread.c"
  2510 
  2511             # Semaphores
  2512             # We can fake these with mutexes and condition variables if necessary
  2513             if test x$have_pthread_sem = xyes; then
  2514                 SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syssem.c"
  2515             else
  2516                 SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syssem.c"
  2517             fi
  2518 
  2519             # Mutexes
  2520             # We can fake these with semaphores if necessary
  2521             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_sysmutex.c"
  2522 
  2523             # Condition variables
  2524             # We can fake these with semaphores and mutexes if necessary
  2525             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_syscond.c"
  2526 
  2527             # Thread local storage
  2528             SOURCES="$SOURCES $srcdir/src/thread/pthread/SDL_systls.c"
  2529 
  2530             have_threads=yes
  2531         fi
  2532     fi
  2533 }
  2534 
  2535 dnl Determine whether the compiler can produce Windows executables
  2536 CheckWINDOWS()
  2537 {
  2538     AC_MSG_CHECKING(Windows compiler)
  2539     have_win32_gcc=no
  2540     AC_TRY_COMPILE([
  2541      #include <windows.h>
  2542     ],[
  2543     ],[
  2544     have_win32_gcc=yes
  2545     ])
  2546     AC_MSG_RESULT($have_win32_gcc)
  2547     if test x$have_win32_gcc != xyes; then
  2548        AC_MSG_ERROR([
  2549 *** Your compiler ($CC) does not produce Windows executables!
  2550        ])
  2551     fi
  2552 
  2553     AC_MSG_CHECKING(Windows CE)
  2554     have_wince=no
  2555     AC_TRY_COMPILE([
  2556 #if !defined(_WIN32_WCE) && !defined(__MINGW32CE__)
  2557 #error This is not Windows CE
  2558 #endif
  2559     ],[
  2560     ],[
  2561     have_wince=yes
  2562        AC_MSG_ERROR([
  2563 *** Sorry, Windows CE is no longer supported.
  2564        ])
  2565     ])
  2566     AC_MSG_RESULT($have_wince)
  2567 
  2568     # This fixes Windows stack alignment with newer GCC
  2569     CheckStackBoundary
  2570 }
  2571 
  2572 dnl Find the DirectX includes and libraries
  2573 CheckDIRECTX()
  2574 {
  2575     AC_ARG_ENABLE(directx,
  2576 AC_HELP_STRING([--enable-directx], [use DirectX for Windows audio/video [[default=yes]]]),
  2577                   , enable_directx=yes)
  2578     if test x$enable_directx = xyes; then
  2579         AC_CHECK_HEADER(d3d9.h, have_d3d=yes)
  2580         AC_CHECK_HEADER(d3d11_1.h, have_d3d11=yes)
  2581         AC_CHECK_HEADER(ddraw.h, have_ddraw=yes)
  2582         AC_CHECK_HEADER(dsound.h, have_dsound=yes)
  2583         AC_CHECK_HEADER(dinput.h, have_dinput=yes)
  2584         AC_CHECK_HEADER(dxgi.h, have_dxgi=yes)
  2585         AC_CHECK_HEADER(xaudio2.h, have_xaudio2=yes)
  2586         AC_CHECK_HEADER(xinput.h, have_xinput=yes)
  2587 
  2588         if test x$have_ddraw = xyes; then
  2589             AC_DEFINE(HAVE_DDRAW_H, 1, [ ])
  2590         fi
  2591         if test x$have_dinput = xyes; then
  2592             AC_DEFINE(HAVE_DINPUT_H, 1, [ ])
  2593         fi
  2594         if test x$have_dsound = xyes; then
  2595             AC_DEFINE(HAVE_DSOUND_H, 1, [ ])
  2596         fi
  2597         if test x$have_dxgi = xyes; then
  2598             AC_DEFINE(HAVE_DXGI_H, 1, [ ])
  2599         fi
  2600         if test x$have_xinput = xyes; then
  2601             AC_DEFINE(HAVE_XINPUT_H, 1, [ ])
  2602         fi
  2603 
  2604         SUMMARY_video="${SUMMARY_video} directx"
  2605         SUMMARY_audio="${SUMMARY_audio} directx"
  2606 
  2607         # FIXME: latest Cygwin finds dinput headers, but we die on other win32 headers.
  2608         # FIXME:  ...so force it off for now.
  2609         case "$host" in
  2610             *-*-cygwin*)
  2611             have_dinput=false
  2612             ;;
  2613         esac
  2614     fi
  2615 }
  2616 
  2617 dnl Check for the dlfcn.h interface for dynamically loading objects
  2618 CheckDLOPEN()
  2619 {
  2620     AC_ARG_ENABLE(sdl-dlopen,
  2621 AC_HELP_STRING([--enable-sdl-dlopen], [use dlopen for shared object loading [[default=yes]]]),
  2622                   , enable_sdl_dlopen=yes)
  2623     if test x$enable_sdl_dlopen = xyes; then
  2624         AC_MSG_CHECKING(for dlopen)
  2625         have_dlopen=no
  2626         AC_TRY_COMPILE([
  2627          #include <dlfcn.h>
  2628         ],[
  2629          void *handle = dlopen("", RTLD_NOW);
  2630          const char *loaderror = (char *) dlerror();
  2631         ],[
  2632         have_dlopen=yes
  2633         ])
  2634         AC_MSG_RESULT($have_dlopen)
  2635 
  2636         if test x$have_dlopen = xyes; then
  2637             AC_CHECK_LIB(c, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS",
  2638                AC_CHECK_LIB(dl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl",
  2639                   AC_CHECK_LIB(ltdl, dlopen, EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lltdl")))
  2640             AC_DEFINE(SDL_LOADSO_DLOPEN, 1, [ ])
  2641             SOURCES="$SOURCES $srcdir/src/loadso/dlopen/*.c"
  2642             have_loadso=yes
  2643         fi
  2644     fi
  2645 }
  2646 
  2647 dnl Check for the usbhid(3) library on *BSD
  2648 CheckUSBHID()
  2649 {
  2650     case "$host" in
  2651         *-*-*bsd*)
  2652             if test x$enable_joystick = xyes; then
  2653                 AC_CHECK_LIB(usbhid, hid_init, have_libusbhid=yes)
  2654                 if test x$have_libusbhid = xyes; then
  2655                     AC_CHECK_HEADER(usbhid.h, [USB_CFLAGS="-DHAVE_USBHID_H"])
  2656                     AC_CHECK_HEADER(libusbhid.h, [USB_CFLAGS="-DHAVE_LIBUSBHID_H"])
  2657                     USB_LIBS="$USB_LIBS -lusbhid"
  2658                 else
  2659                     AC_CHECK_HEADER(usb.h, [USB_CFLAGS="-DHAVE_USB_H"])
  2660                     AC_CHECK_HEADER(libusb.h, [USB_CFLAGS="-DHAVE_LIBUSB_H"])
  2661                     AC_CHECK_LIB(usb, hid_init, [USB_LIBS="$USB_LIBS -lusb"])
  2662                 fi
  2663                     
  2664                 save_CFLAGS="$CFLAGS"
  2665                 CFLAGS="$CFLAGS $USB_CFLAGS"
  2666 
  2667                 AC_MSG_CHECKING(for usbhid)
  2668                 have_usbhid=no
  2669                 AC_TRY_COMPILE([
  2670                   #include <sys/types.h>
  2671                   #if defined(HAVE_USB_H)
  2672                   #include <usb.h>
  2673                   #endif
  2674                   #ifdef __DragonFly__
  2675                   # include <bus/usb/usb.h>
  2676                   # include <bus/usb/usbhid.h>
  2677                   #else
  2678                   # include <dev/usb/usb.h>
  2679                   # include <dev/usb/usbhid.h>
  2680                   #endif
  2681                   #if defined(HAVE_USBHID_H)
  2682                   #include <usbhid.h>
  2683                   #elif defined(HAVE_LIBUSB_H)
  2684                   #include <libusb.h>
  2685                   #elif defined(HAVE_LIBUSBHID_H)
  2686                   #include <libusbhid.h>
  2687                   #endif
  2688                 ],[
  2689                   struct report_desc *repdesc;
  2690                   struct usb_ctl_report *repbuf;
  2691                   hid_kind_t hidkind;
  2692                 ],[
  2693                 have_usbhid=yes
  2694                 ])
  2695                 AC_MSG_RESULT($have_usbhid)
  2696 
  2697                 if test x$have_usbhid = xyes; then
  2698                     AC_MSG_CHECKING(for ucr_data member of usb_ctl_report)
  2699                     have_usbhid_ucr_data=no
  2700                     AC_TRY_COMPILE([
  2701                       #include <sys/types.h>
  2702                       #if defined(HAVE_USB_H)
  2703                       #include <usb.h>
  2704                       #endif
  2705                       #ifdef __DragonFly__
  2706                       # include <bus/usb/usb.h>
  2707                       # include <bus/usb/usbhid.h>
  2708                       #else
  2709                       # include <dev/usb/usb.h>
  2710                       # include <dev/usb/usbhid.h>
  2711                       #endif
  2712                       #if defined(HAVE_USBHID_H)
  2713                       #include <usbhid.h>
  2714                       #elif defined(HAVE_LIBUSB_H)
  2715                       #include <libusb.h>
  2716                       #elif defined(HAVE_LIBUSBHID_H)
  2717                       #include <libusbhid.h>
  2718                       #endif
  2719                     ],[
  2720                       struct usb_ctl_report buf;
  2721                       if (buf.ucr_data) { }
  2722                     ],[
  2723                     have_usbhid_ucr_data=yes
  2724                     ])
  2725                     if test x$have_usbhid_ucr_data = xyes; then
  2726                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_UCR_DATA"
  2727                     fi
  2728                     AC_MSG_RESULT($have_usbhid_ucr_data)
  2729                     
  2730                     AC_MSG_CHECKING(for new usbhid API)
  2731                     have_usbhid_new=no
  2732                     AC_TRY_COMPILE([
  2733                       #include <sys/types.h>
  2734                       #if defined(HAVE_USB_H)
  2735                       #include <usb.h>
  2736                       #endif
  2737                       #ifdef __DragonFly__
  2738                       #include <bus/usb/usb.h>
  2739                       #include <bus/usb/usbhid.h>
  2740                       #else
  2741                       #include <dev/usb/usb.h>
  2742                       #include <dev/usb/usbhid.h>
  2743                       #endif
  2744                       #if defined(HAVE_USBHID_H)
  2745                       #include <usbhid.h>
  2746                       #elif defined(HAVE_LIBUSB_H)
  2747                       #include <libusb.h>
  2748                       #elif defined(HAVE_LIBUSBHID_H)
  2749                       #include <libusbhid.h>
  2750                       #endif
  2751                     ],[
  2752                       report_desc_t d;
  2753                       hid_start_parse(d, 1, 1);
  2754                     ],[
  2755                     have_usbhid_new=yes
  2756                     ])
  2757                     if test x$have_usbhid_new = xyes; then
  2758                         USB_CFLAGS="$USB_CFLAGS -DUSBHID_NEW"
  2759                     fi
  2760                     AC_MSG_RESULT($have_usbhid_new)
  2761 
  2762                     AC_MSG_CHECKING(for struct joystick in machine/joystick.h)
  2763                     have_machine_joystick=no
  2764                     AC_TRY_COMPILE([
  2765                       #include <machine/joystick.h>
  2766                     ],[
  2767                       struct joystick t;
  2768                     ],[
  2769                     have_machine_joystick=yes
  2770                     ])
  2771                     if test x$have_machine_joystick = xyes; then
  2772                         AC_DEFINE(SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H, 1, [ ])
  2773                     fi
  2774                     AC_MSG_RESULT($have_machine_joystick)
  2775 
  2776                     AC_DEFINE(SDL_JOYSTICK_USBHID, 1, [ ])
  2777                     SOURCES="$SOURCES $srcdir/src/joystick/bsd/*.c"
  2778                     EXTRA_CFLAGS="$EXTRA_CFLAGS $USB_CFLAGS"
  2779                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS $USB_LIBS"
  2780                     have_joystick=yes
  2781                 fi
  2782                 CFLAGS="$save_CFLAGS"
  2783             fi
  2784         ;;
  2785     esac
  2786 }
  2787 
  2788 dnl Check for clock_gettime()
  2789 CheckClockGettime()
  2790 {
  2791     AC_ARG_ENABLE(clock_gettime,
  2792 AC_HELP_STRING([--enable-clock_gettime], [use clock_gettime() instead of gettimeofday() on UNIX [[default=yes]]]),
  2793                   , enable_clock_gettime=yes)
  2794     if test x$enable_clock_gettime = xyes; then
  2795         AC_CHECK_LIB(rt, clock_gettime, have_clock_gettime=yes)
  2796         if test x$have_clock_gettime = xyes; then
  2797             AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2798             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lrt"
  2799         else
  2800             AC_CHECK_LIB(c, clock_gettime, have_clock_gettime=yes)
  2801             if test x$have_clock_gettime = xyes; then
  2802                AC_DEFINE(HAVE_CLOCK_GETTIME, 1, [ ])
  2803                EXTRA_LDFLAGS="$EXTRA_LDFLAGS"
  2804             fi
  2805         fi
  2806     fi
  2807 }
  2808 
  2809 dnl Check for a valid linux/version.h
  2810 CheckLinuxVersion()
  2811 {
  2812     AC_CHECK_HEADER(linux/version.h, have_linux_version_h=yes)
  2813     if test x$have_linux_version_h = xyes; then
  2814         EXTRA_CFLAGS="$EXTRA_CFLAGS -DHAVE_LINUX_VERSION_H"
  2815     fi
  2816 }
  2817 
  2818 dnl Check if we want to use RPATH
  2819 CheckRPATH()
  2820 {
  2821     AC_ARG_ENABLE(rpath,
  2822 AC_HELP_STRING([--enable-rpath], [use an rpath when linking SDL [[default=yes]]]),
  2823                   , enable_rpath=yes)
  2824 }
  2825 
  2826 dnl Set up the configuration based on the host platform!
  2827 case "$host" in
  2828     *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
  2829         case "$host" in
  2830             *-raspberry-linux*)
  2831                 # Raspberry Pi
  2832                 ARCH=linux
  2833                 RPI_CFLAGS="-I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
  2834                 CFLAGS="$CFLAGS $RPI_CFLAGS"
  2835                 SDL_CFLAGS="$SDL_CFLAGS $RPI_CFLAGS"
  2836                 EXTRA_CFLAGS="$EXTRA_CFLAGS $RPI_CFLAGS"
  2837                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -L/opt/vc/lib -lbcm_host -ldl"
  2838 
  2839                 if test x$enable_video = xyes; then
  2840                     SOURCES="$SOURCES $srcdir/src/video/raspberry/*.c"
  2841                     # FIXME: confdefs? Not AC_DEFINE?
  2842                     $as_echo "#define SDL_VIDEO_DRIVER_RPI 1" >>confdefs.h
  2843                     SUMMARY_video="${SUMMARY_video} rpi"
  2844                 fi
  2845                 ;;
  2846             *-*-androideabi*)
  2847                 # Android
  2848                 ARCH=android
  2849                 ANDROID_CFLAGS="-DGL_GLEXT_PROTOTYPES"
  2850                 CFLAGS="$CFLAGS $ANDROID_CFLAGS"
  2851                 SDL_CFLAGS="$SDL_CFLAGS $ANDROID_CFLAGS"
  2852                 EXTRA_CFLAGS="$EXTRA_CFLAGS $ANDROID_CFLAGS"
  2853                 EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldl -lGLESv1_CM -lGLESv2 -llog -landroid"
  2854 
  2855                 if test x$enable_video = xyes; then
  2856                     SOURCES="$SOURCES $srcdir/src/core/android/*.c $srcdir/src/video/android/*.c"
  2857                     # FIXME: confdefs? Not AC_DEFINE?
  2858                     $as_echo "#define SDL_VIDEO_DRIVER_ANDROID 1" >>confdefs.h
  2859                     SUMMARY_video="${SUMMARY_video} android"
  2860                 fi
  2861                 ;;
  2862             *-*-linux*)         ARCH=linux ;;
  2863             *-*-uclinux*)       ARCH=linux ;;
  2864             *-*-kfreebsd*-gnu)  ARCH=kfreebsd-gnu ;;
  2865             *-*-knetbsd*-gnu)   ARCH=knetbsd-gnu ;;
  2866             *-*-kopenbsd*-gnu)  ARCH=kopenbsd-gnu ;;
  2867             *-*-gnu*)           ARCH=gnu ;; # must be last of the gnu variants
  2868             *-*-bsdi*)          ARCH=bsdi ;;
  2869             *-*-freebsd*)       ARCH=freebsd ;;
  2870             *-*-dragonfly*)     ARCH=freebsd ;;
  2871             *-*-netbsd*)        ARCH=netbsd ;;
  2872             *-*-openbsd*)       ARCH=openbsd ;;
  2873             *-*-sysv5*)         ARCH=sysv5 ;;
  2874             *-*-solaris*)       ARCH=solaris ;;
  2875             *-*-hpux*)          ARCH=hpux ;;
  2876             *-*-aix*)           ARCH=aix ;;
  2877             *-*-minix*)         ARCH=minix ;;
  2878         esac
  2879         CheckVisibilityHidden
  2880         CheckDummyVideo
  2881         CheckDiskAudio
  2882         CheckDummyAudio
  2883         CheckDLOPEN
  2884         CheckOSS
  2885         CheckALSA
  2886         CheckPulseAudio
  2887         CheckARTSC
  2888         CheckESD
  2889         CheckNAS
  2890         CheckSNDIO
  2891         CheckX11
  2892         CheckDirectFB
  2893         CheckFusionSound
  2894         CheckOpenGLX11
  2895         CheckOpenGLESX11
  2896         CheckMir
  2897         CheckWayland
  2898         CheckLibUDev
  2899         CheckDBus
  2900         CheckIBus
  2901         case $ARCH in
  2902           linux)
  2903               CheckInputEvents
  2904               CheckInputKD
  2905           ;;
  2906         esac
  2907         CheckTslib
  2908         CheckUSBHID
  2909         CheckPTHREAD
  2910         CheckClockGettime
  2911         CheckLinuxVersion
  2912         CheckRPATH
  2913         CheckVivanteVideo
  2914         # Set up files for the audio library
  2915         if test x$enable_audio = xyes; then
  2916           case $ARCH in
  2917             sysv5|solaris|hpux)
  2918                 AC_DEFINE(SDL_AUDIO_DRIVER_SUNAUDIO, 1, [ ])
  2919                 SOURCES="$SOURCES $srcdir/src/audio/sun/*.c"
  2920                 have_audio=yes
  2921             ;;
  2922             netbsd)  # Don't use this on OpenBSD, it's busted.
  2923                 AC_DEFINE(SDL_AUDIO_DRIVER_BSD, 1, [ ])
  2924                 SOURCES="$SOURCES $srcdir/src/audio/bsd/*.c"
  2925                 have_audio=yes
  2926             ;;
  2927             aix)
  2928                 AC_DEFINE(SDL_AUDIO_DRIVER_PAUDIO, 1, [ ])
  2929                 SOURCES="$SOURCES $srcdir/src/audio/paudio/*.c"
  2930                 have_audio=yes
  2931             ;;
  2932             android)
  2933                 AC_DEFINE(SDL_AUDIO_DRIVER_ANDROID, 1, [ ])
  2934                 SOURCES="$SOURCES $srcdir/src/audio/android/*.c"
  2935                 SUMMARY_audio="${SUMMARY_audio} android"
  2936                 have_audio=yes
  2937             ;;
  2938           esac
  2939         fi
  2940         # Set up files for the joystick library
  2941         if test x$enable_joystick = xyes; then
  2942           case $ARCH in
  2943             linux)
  2944                 AC_DEFINE(SDL_JOYSTICK_LINUX, 1, [ ])
  2945                 SOURCES="$SOURCES $srcdir/src/joystick/linux/*.c"
  2946                 have_joystick=yes
  2947             ;;
  2948             android)
  2949                 AC_DEFINE(SDL_JOYSTICK_ANDROID, 1, [ ])
  2950                 SOURCES="$SOURCES $srcdir/src/joystick/android/*.c"
  2951                 have_joystick=yes
  2952             ;;
  2953           esac
  2954         fi
  2955         # Set up files for the haptic library
  2956         if test x$enable_haptic = xyes; then
  2957            if test x$use_input_events = xyes; then
  2958              case $ARCH in
  2959                linux)
  2960                    AC_DEFINE(SDL_HAPTIC_LINUX, 1, [ ])
  2961                    SOURCES="$SOURCES $srcdir/src/haptic/linux/*.c"
  2962                    have_haptic=yes
  2963                ;;
  2964              esac
  2965            fi
  2966         fi
  2967         # Set up files for the power library
  2968         if test x$enable_power = xyes; then
  2969              case $ARCH in
  2970                linux)
  2971                    AC_DEFINE(SDL_POWER_LINUX, 1, [ ])
  2972                    SOURCES="$SOURCES $srcdir/src/power/linux/*.c"
  2973                    have_power=yes
  2974                ;;
  2975                android)
  2976                    AC_DEFINE(SDL_POWER_ANDROID, 1, [ ])
  2977                    SOURCES="$SOURCES $srcdir/src/power/android/*.c"
  2978                    have_power=yes
  2979                ;;
  2980              esac
  2981         fi
  2982         # Set up files for the filesystem library
  2983         if test x$enable_filesystem = xyes; then
  2984              case $ARCH in
  2985                android)
  2986                    AC_DEFINE(SDL_FILESYSTEM_ANDROID, 1, [ ])
  2987                    SOURCES="$SOURCES $srcdir/src/filesystem/android/*.c"
  2988                    have_filesystem=yes
  2989                ;;
  2990                *)
  2991                    AC_DEFINE(SDL_FILESYSTEM_UNIX, 1, [ ])
  2992                    SOURCES="$SOURCES $srcdir/src/filesystem/unix/*.c"
  2993                    have_filesystem=yes
  2994                ;;
  2995              esac
  2996         fi
  2997         # Set up files for the timer library
  2998         if test x$enable_timers = xyes; then
  2999             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3000             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3001             have_timers=yes
  3002         fi
  3003         # Set up files for udev hotplugging support
  3004         if test x$enable_libudev = xyes && test x$have_libudev_h_hdr = xyes; then
  3005             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_udev.c"               
  3006         fi
  3007         # Set up files for evdev input
  3008         if test x$use_input_events = xyes; then
  3009             SOURCES="$SOURCES $srcdir/src/core/linux/SDL_evdev.c"
  3010         fi       
  3011         ;;
  3012     *-*-cygwin* | *-*-mingw32*)
  3013         ARCH=win32
  3014         if test "$build" != "$host"; then # cross-compiling
  3015             # Default cross-compile location
  3016             ac_default_prefix=/usr/local/cross-tools/$host
  3017         else
  3018             # Look for the location of the tools and install there
  3019             if test "$BUILD_PREFIX" != ""; then
  3020                 ac_default_prefix=$BUILD_PREFIX
  3021             fi
  3022         fi
  3023         CheckDummyVideo
  3024         CheckDiskAudio
  3025         CheckDummyAudio
  3026         CheckWINDOWS
  3027         CheckWINDOWSGL
  3028         CheckWINDOWSGLES
  3029         CheckDIRECTX
  3030 
  3031         # Set up the core platform files
  3032         SOURCES="$SOURCES $srcdir/src/core/windows/*.c"
  3033 
  3034         # Set up files for the video library
  3035         if test x$enable_video = xyes; then
  3036             AC_DEFINE(SDL_VIDEO_DRIVER_WINDOWS, 1, [ ])
  3037             SOURCES="$SOURCES $srcdir/src/video/windows/*.c"
  3038             have_video=yes
  3039             AC_ARG_ENABLE(render-d3d,
  3040 AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[default=yes]]]),
  3041                                 , enable_render_d3d=yes)
  3042             if test x$enable_render_d3d = xyes -a x$have_d3d = xyes; then
  3043                 AC_DEFINE(SDL_VIDEO_RENDER_D3D, 1, [ ])
  3044             fi
  3045             if test x$enable_render_d3d = xyes -a x$have_d3d11 = xyes; then
  3046                 AC_DEFINE(SDL_VIDEO_RENDER_D3D11, 1, [ ])
  3047             fi
  3048         fi
  3049         # Set up files for the audio library
  3050         if test x$enable_audio = xyes; then
  3051             AC_DEFINE(SDL_AUDIO_DRIVER_WINMM, 1, [ ])
  3052             SOURCES="$SOURCES $srcdir/src/audio/winmm/*.c"
  3053             if test x$have_dsound = xyes; then
  3054                 AC_DEFINE(SDL_AUDIO_DRIVER_DSOUND, 1, [ ])
  3055                 SOURCES="$SOURCES $srcdir/src/audio/directsound/*.c"
  3056             fi
  3057             if test x$have_xaudio2 = xyes; then
  3058                 AC_DEFINE(SDL_AUDIO_DRIVER_XAUDIO2, 1, [ ])
  3059                 SOURCES="$SOURCES $srcdir/src/audio/xaudio2/*.c"
  3060             fi
  3061             have_audio=yes
  3062         fi
  3063         # Set up files for the joystick library
  3064         if test x$enable_joystick = xyes; then
  3065             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  3066                 if test x$have_xinput = xyes; then
  3067                     AC_DEFINE(SDL_JOYSTICK_XINPUT, 1, [ ])
  3068                 fi
  3069                 if test x$have_dinput = xyes; then
  3070                     AC_DEFINE(SDL_JOYSTICK_DINPUT, 1, [ ])
  3071                     EXTRA_LDFLAGS="$EXTRA_LDFLAGS -ldinput8 -ldxguid -ldxerr8"
  3072                 fi
  3073             else
  3074                 AC_DEFINE(SDL_JOYSTICK_WINMM, 1, [ ])
  3075             fi
  3076             SOURCES="$SOURCES $srcdir/src/joystick/windows/*.c"
  3077             have_joystick=yes
  3078         fi
  3079         if test x$enable_haptic = xyes; then
  3080             if test x$have_dinput = xyes -o x$have_xinput = xyes; then
  3081                 if test x$have_xinput = xyes; then
  3082                     AC_DEFINE(SDL_HAPTIC_XINPUT, 1, [ ])
  3083                 fi
  3084                 if test x$have_dinput = xyes; then
  3085                     AC_DEFINE(SDL_HAPTIC_DINPUT, 1, [ ])
  3086                 fi
  3087                 SOURCES="$SOURCES $srcdir/src/haptic/windows/*.c"
  3088                 have_haptic=yes
  3089             fi
  3090         fi
  3091         if test x$enable_power = xyes; then
  3092             AC_DEFINE(SDL_POWER_WINDOWS, 1, [ ])
  3093             SOURCES="$SOURCES $srcdir/src/power/windows/SDL_syspower.c"
  3094             have_power=yes
  3095         fi
  3096         if test x$enable_filesystem = xyes; then
  3097             AC_DEFINE(SDL_FILESYSTEM_WINDOWS, 1, [ ])
  3098             SOURCES="$SOURCES $srcdir/src/filesystem/windows/SDL_sysfilesystem.c"
  3099             have_filesystem=yes
  3100         fi
  3101         # Set up files for the thread library
  3102         if test x$enable_threads = xyes; then
  3103             AC_DEFINE(SDL_THREAD_WINDOWS, 1, [ ])
  3104             SOURCES="$SOURCES $srcdir/src/thread/windows/*.c"
  3105             SOURCES="$SOURCES $srcdir/src/thread/generic/SDL_syscond.c"
  3106             have_threads=yes
  3107         fi
  3108         # Set up files for the timer library
  3109         if test x$enable_timers = xyes; then
  3110             AC_DEFINE(SDL_TIMER_WINDOWS, 1, [ ])
  3111             SOURCES="$SOURCES $srcdir/src/timer/windows/*.c"
  3112             have_timers=yes
  3113         fi
  3114         # Set up files for the shared object loading library
  3115         if test x$enable_loadso = xyes; then
  3116             AC_DEFINE(SDL_LOADSO_WINDOWS, 1, [ ])
  3117             SOURCES="$SOURCES $srcdir/src/loadso/windows/*.c"
  3118             have_loadso=yes
  3119         fi
  3120         # Set up the system libraries we need
  3121         if test -f /lib/w32api/libuuid.a; then
  3122             LIBUUID=/lib/w32api/libuuid.a
  3123         else
  3124             LIBUUID=-luuid
  3125         fi
  3126         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion $LIBUUID -static-libgcc"
  3127         # The Windows platform requires special setup
  3128         VERSION_SOURCES="$srcdir/src/main/windows/*.rc"
  3129         SDLMAIN_SOURCES="$srcdir/src/main/windows/*.c"
  3130         SDL_CFLAGS="$SDL_CFLAGS -Dmain=SDL_main"
  3131         SDL_LIBS="-lSDL2main $SDL_LIBS -mwindows"
  3132 
  3133         # Check to see if this is a mingw or cygwin build
  3134         have_mingw32=
  3135         AC_CHECK_LIB(mingw32, main, [have_mingw32=yes])
  3136         if test x$have_mingw32 = xyes; then
  3137             SDL_LIBS="-lmingw32 $SDL_LIBS"
  3138         else
  3139             SDL_LIBS="-lcygwin $SDL_LIBS"
  3140         fi
  3141         ;;
  3142 
  3143     dnl BeOS support removed after SDL 2.0.1. Haiku still works.  --ryan.
  3144     *-*-beos*)
  3145         AC_MSG_ERROR([
  3146 *** BeOS support has been removed as of SDL 2.0.2.
  3147         ])
  3148         ;;
  3149 
  3150     *-*-haiku*)
  3151         ARCH=haiku
  3152         ac_default_prefix=/boot/system
  3153         CheckDummyVideo
  3154         CheckDiskAudio
  3155         CheckDummyAudio
  3156         CheckHaikuVideo
  3157         CheckHaikuGL
  3158         CheckPTHREAD
  3159 
  3160         # Set up files for the audio library
  3161         if test x$enable_audio = xyes; then
  3162             AC_DEFINE(SDL_AUDIO_DRIVER_HAIKU, 1, [ ])
  3163             SOURCES="$SOURCES $srcdir/src/audio/haiku/*.cc"
  3164             have_audio=yes
  3165         fi
  3166         # Set up files for the joystick library
  3167         if test x$enable_joystick = xyes; then
  3168             AC_DEFINE(SDL_JOYSTICK_HAIKU, 1, [ ])
  3169             SOURCES="$SOURCES $srcdir/src/joystick/haiku/*.cc"
  3170             have_joystick=yes
  3171         fi
  3172         # Set up files for the timer library
  3173         if test x$enable_timers = xyes; then
  3174             AC_DEFINE(SDL_TIMER_HAIKU, 1, [ ])
  3175             SOURCES="$SOURCES $srcdir/src/timer/haiku/*.c"
  3176             have_timers=yes
  3177         fi
  3178         # Set up files for the shared object loading library
  3179         if test x$enable_loadso = xyes; then
  3180             AC_DEFINE(SDL_LOADSO_HAIKU, 1, [ ])
  3181             SOURCES="$SOURCES $srcdir/src/loadso/haiku/*.c"
  3182             have_loadso=yes
  3183         fi
  3184         # Set up files for the system power library
  3185         if test x$enable_power = xyes; then
  3186             AC_DEFINE(SDL_POWER_HAIKU, 1, [ ])
  3187             SOURCES="$SOURCES $srcdir/src/power/haiku/*.c"
  3188             have_power=yes
  3189         fi
  3190         # Set up files for the system filesystem library
  3191         if test x$enable_filesystem = xyes; then
  3192             AC_DEFINE(SDL_FILESYSTEM_HAIKU, 1, [ ])
  3193             SOURCES="$SOURCES $srcdir/src/filesystem/haiku/*.cc"
  3194             have_filesystem=yes
  3195         fi
  3196         # The Haiku platform requires special setup.
  3197         SOURCES="$srcdir/src/main/haiku/*.cc $SOURCES"
  3198         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lroot -lbe -lmedia -lgame -ldevice -ltextencoding"
  3199         ;;
  3200     arm*-apple-darwin*)
  3201         # iOS - We are not writing anything to confdefs.h because you have to replace
  3202         # SDL_config.h for SDL_config_iphoneos.h anyway
  3203         ARCH=ios
  3204 
  3205         CheckVisibilityHidden
  3206         CheckDummyVideo
  3207         CheckDiskAudio
  3208         CheckDummyAudio
  3209         CheckDLOPEN
  3210         CheckCOCOA
  3211         CheckPTHREAD
  3212 
  3213 
  3214         # Set up files for the audio library
  3215         if test x$enable_audio = xyes; then
  3216             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3217             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3218             have_audio=yes
  3219         fi
  3220         # Set up files for the joystick library
  3221         if test x$enable_joystick = xyes; then
  3222             SOURCES="$SOURCES $srcdir/src/joystick/iphoneos/*.m"
  3223             have_joystick=yes
  3224         fi
  3225         # Set up files for the haptic library
  3226         #if test x$enable_haptic = xyes; then
  3227         #    SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3228         #    have_haptic=yes
  3229         #    EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3230         #fi
  3231         # Set up files for the power library
  3232         if test x$enable_power = xyes; then
  3233             SOURCES="$SOURCES $srcdir/src/power/uikit/*.m"
  3234             have_power=yes
  3235         fi
  3236         # Set up files for the filesystem library
  3237         if test x$enable_filesystem = xyes; then
  3238             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3239             have_filesystem=yes
  3240         fi
  3241         # Set up files for the timer library
  3242         if test x$enable_timers = xyes; then
  3243             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3244             have_timers=yes
  3245         fi
  3246         # Set up additional files for the file library
  3247         if test x$enable_file = xyes; then
  3248             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3249         fi
  3250         # The iOS platform requires special setup.
  3251         SOURCES="$SOURCES $srcdir/src/video/uikit/*.m"
  3252         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3253         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lm -liconv -lobjc"
  3254         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Foundation"
  3255         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,UIKit"
  3256         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,OpenGLES"
  3257         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,QuartzCore"
  3258         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio"
  3259         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,AudioToolbox"
  3260         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreGraphics"
  3261         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreMotion"
  3262         ;;
  3263     *-*-darwin* )
  3264         # This could be either full "Mac OS X", or plain "Darwin" which is
  3265         # just the OS X kernel sans upper layers like Carbon and Cocoa.
  3266         # Next line is broken, and a few files below require Mac OS X (full)
  3267         ARCH=macosx
  3268 
  3269         # Mac OS X builds with both the Carbon and OSX APIs at the moment
  3270         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_CARBON"
  3271         EXTRA_CFLAGS="$EXTRA_CFLAGS -DTARGET_API_MAC_OSX"
  3272 
  3273         CheckVisibilityHidden
  3274         CheckDummyVideo
  3275         CheckDiskAudio
  3276         CheckDummyAudio
  3277         CheckDLOPEN
  3278         CheckCOCOA
  3279         CheckX11
  3280         CheckMacGL
  3281         CheckOpenGLX11
  3282         CheckPTHREAD
  3283 
  3284         # Set up files for the audio library
  3285         if test x$enable_audio = xyes; then
  3286             AC_DEFINE(SDL_AUDIO_DRIVER_COREAUDIO, 1, [ ])
  3287             SOURCES="$SOURCES $srcdir/src/audio/coreaudio/*.c"
  3288             SUMMARY_audio="${SUMMARY_audio} coreaudio"
  3289             have_audio=yes
  3290         fi
  3291         # Set up files for the joystick library
  3292         if test x$enable_joystick = xyes; then
  3293             AC_DEFINE(SDL_JOYSTICK_IOKIT, 1, [ ])
  3294             SOURCES="$SOURCES $srcdir/src/joystick/darwin/*.c"
  3295             have_joystick=yes
  3296         fi
  3297         # Set up files for the haptic library
  3298         if test x$enable_haptic = xyes; then
  3299             AC_DEFINE(SDL_HAPTIC_IOKIT, 1, [ ])
  3300             SOURCES="$SOURCES $srcdir/src/haptic/darwin/*.c"
  3301             have_haptic=yes
  3302             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,ForceFeedback"
  3303         fi
  3304         # Set up files for the power library
  3305         if test x$enable_power = xyes; then
  3306             AC_DEFINE(SDL_POWER_MACOSX, 1, [ ])
  3307             SOURCES="$SOURCES $srcdir/src/power/macosx/*.c"
  3308             have_power=yes
  3309         fi
  3310         # Set up files for the filesystem library
  3311         if test x$enable_filesystem = xyes; then
  3312             AC_DEFINE(SDL_FILESYSTEM_COCOA, 1, [ ])
  3313             SOURCES="$SOURCES $srcdir/src/filesystem/cocoa/*.m"
  3314             have_filesystem=yes
  3315         fi
  3316         # Set up files for the timer library
  3317         if test x$enable_timers = xyes; then
  3318             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3319             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3320             have_timers=yes
  3321         fi
  3322         # Set up additional files for the file library
  3323         if test x$enable_file = xyes; then
  3324             SOURCES="$SOURCES $srcdir/src/file/cocoa/*.m"
  3325         fi
  3326         # The Mac OS X platform requires special setup.
  3327         EXTRA_CFLAGS="$EXTRA_CFLAGS -fpascal-strings"
  3328         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lobjc"
  3329         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreVideo"
  3330         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Cocoa"
  3331         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,Carbon"
  3332         EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,IOKit"
  3333         # If audio is used, add the AudioUnit framework
  3334         if test x$enable_audio = xyes; then
  3335             EXTRA_LDFLAGS="$EXTRA_LDFLAGS -Wl,-framework,CoreAudio -Wl,-framework,AudioToolbox -Wl,-framework,AudioUnit"
  3336         fi
  3337         ;;
  3338     *-nacl|*-pnacl)
  3339         ARCH=nacl
  3340         CheckNativeClient
  3341         CheckDummyAudio
  3342         CheckDummyVideo
  3343         CheckInputEvents
  3344         CheckPTHREAD
  3345         
  3346         # Set up files for the timer library
  3347         if test x$enable_timers = xyes; then
  3348             AC_DEFINE(SDL_TIMER_UNIX)
  3349             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3350             have_timers=yes
  3351         fi
  3352         
  3353         if test x$enable_filesystem = xyes; then
  3354             AC_DEFINE(SDL_FILESYSTEM_NACL, 1, [ ])
  3355             SOURCES="$SOURCES $srcdir/src/filesystem/nacl/*.c"
  3356             have_filesystem=yes
  3357         fi
  3358         ;;
  3359     *-*-emscripten* )
  3360         if test x$enable_video = xyes; then
  3361             AC_DEFINE(SDL_VIDEO_DRIVER_EMSCRIPTEN, 1, [ ])
  3362             SOURCES="$SOURCES $srcdir/src/video/emscripten/*.c"
  3363             have_video=yes
  3364             SUMMARY_video="${SUMMARY_video} emscripten"
  3365         fi
  3366 
  3367         if test x$enable_audio = xyes; then
  3368             AC_DEFINE(SDL_AUDIO_DRIVER_EMSCRIPTEN, 1, [ ])
  3369             SOURCES="$SOURCES $srcdir/src/audio/emscripten/*.c"
  3370             have_audio=yes
  3371             SUMMARY_audio="${SUMMARY_audio} emscripten"
  3372         fi
  3373 
  3374         CheckVisibilityHidden
  3375         CheckDummyVideo
  3376         CheckDiskAudio
  3377         CheckDummyAudio
  3378         CheckDLOPEN
  3379         CheckClockGettime
  3380         CheckEmscriptenGLES
  3381 
  3382          # Set up files for the power library
  3383         if test x$enable_power = xyes; then
  3384             AC_DEFINE(SDL_POWER_EMSCRIPTEN, 1, [ ])
  3385             SOURCES="$SOURCES $srcdir/src/power/emscripten/*.c"
  3386             have_power=yes
  3387         fi
  3388         
  3389         # Set up files for the power library
  3390         if test x$enable_joystick = xyes; then
  3391             AC_DEFINE(SDL_JOYSTICK_EMSCRIPTEN, 1, [ ])
  3392             SOURCES="$SOURCES $srcdir/src/joystick/emscripten/*.c"
  3393             have_joystick=yes
  3394         fi
  3395 
  3396         # Set up files for the filesystem library
  3397         if test x$enable_filesystem = xyes; then
  3398             AC_DEFINE(SDL_FILESYSTEM_EMSCRIPTEN, 1, [ ])
  3399             SOURCES="$SOURCES $srcdir/src/filesystem/emscripten/*.c"
  3400             have_filesystem=yes
  3401         fi
  3402         # Set up files for the timer library
  3403         if test x$enable_timers = xyes; then
  3404             AC_DEFINE(SDL_TIMER_UNIX, 1, [ ])
  3405             SOURCES="$SOURCES $srcdir/src/timer/unix/*.c"
  3406             have_timers=yes
  3407         fi
  3408         ;;
  3409     *)
  3410         AC_MSG_ERROR([
  3411 *** Unsupported host:  Please add to configure.in
  3412         ])
  3413         ;;
  3414 esac
  3415 
  3416 dnl Do this on all platforms, after everything else.
  3417 CheckWarnAll
  3418 CheckWarnShadow
  3419 
  3420 # Verify that we have all the platform specific files we need
  3421 
  3422 if test x$have_joystick != xyes; then
  3423     if test x$enable_joystick = xyes; then
  3424         AC_DEFINE(SDL_JOYSTICK_DISABLED, 1, [ ])
  3425     fi
  3426     SOURCES="$SOURCES $srcdir/src/joystick/dummy/*.c"
  3427 fi
  3428 if test x$have_haptic != xyes; then
  3429     if test x$enable_haptic = xyes; then
  3430         AC_DEFINE(SDL_HAPTIC_DISABLED, 1, [ ])
  3431     fi
  3432     SOURCES="$SOURCES $srcdir/src/haptic/dummy/*.c"
  3433 fi
  3434 if test x$have_threads != xyes; then
  3435     if test x$enable_threads = xyes; then
  3436         AC_DEFINE(SDL_THREADS_DISABLED, 1, [ ])
  3437     fi
  3438     SOURCES="$SOURCES $srcdir/src/thread/generic/*.c"
  3439 fi
  3440 if test x$have_timers != xyes; then
  3441     if test x$enable_timers = xyes; then
  3442         AC_DEFINE(SDL_TIMERS_DISABLED, 1, [ ])
  3443     fi
  3444     SOURCES="$SOURCES $srcdir/src/timer/dummy/*.c"
  3445 fi
  3446 if test x$have_filesystem != xyes; then
  3447     if test x$enable_filesystem = xyes; then
  3448         AC_DEFINE(SDL_FILESYSTEM_DISABLED, 1, [ ])
  3449     fi
  3450     SOURCES="$SOURCES $srcdir/src/filesystem/dummy/*.c"
  3451 fi
  3452 if test x$have_loadso != xyes; then
  3453     if test x$enable_loadso = xyes; then
  3454         AC_DEFINE(SDL_LOADSO_DISABLED, 1, [ ])
  3455     fi
  3456     SOURCES="$SOURCES $srcdir/src/loadso/dummy/*.c"
  3457 fi
  3458 if test x$SDLMAIN_SOURCES = x; then
  3459     SDLMAIN_SOURCES="$srcdir/src/main/dummy/*.c"
  3460 fi
  3461 SDLTEST_SOURCES="$srcdir/src/test/*.c"
  3462 
  3463 OBJECTS=`echo $SOURCES`
  3464 DEPENDS=`echo $SOURCES | tr ' ' '\n'`
  3465 for EXT in asm cc m c S; do
  3466     OBJECTS=`echo "$OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.'$EXT',$(objects)/\1.lo,g'`
  3467     DEPENDS=`echo "$DEPENDS" | sed "s,^\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.$EXT\\$,\\\\
  3468 \\$(objects)/\\2.lo: \\1/\\2.$EXT\\\\
  3469 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3470 done
  3471 
  3472 VERSION_OBJECTS=`echo $VERSION_SOURCES`
  3473 VERSION_DEPENDS=`echo $VERSION_SOURCES`
  3474 VERSION_OBJECTS=`echo "$VERSION_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.rc,$(objects)/\1.o,g'`
  3475 VERSION_DEPENDS=`echo "$VERSION_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.rc,\\\\
  3476 \\$(objects)/\\2.o: \\1/\\2.rc\\\\
  3477 	\\$(WINDRES) \\$< \\$@,g"`
  3478 
  3479 SDLMAIN_OBJECTS=`echo $SDLMAIN_SOURCES`
  3480 SDLMAIN_DEPENDS=`echo $SDLMAIN_SOURCES`
  3481 SDLMAIN_OBJECTS=`echo "$SDLMAIN_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3482 SDLMAIN_DEPENDS=`echo "$SDLMAIN_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3483 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3484 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3485 
  3486 SDLTEST_OBJECTS=`echo $SDLTEST_SOURCES`
  3487 SDLTEST_DEPENDS=`echo $SDLTEST_SOURCES`
  3488 SDLTEST_OBJECTS=`echo "$SDLTEST_OBJECTS" | sed 's,[[^ ]]*/\([[^ ]]*\)\.c,$(objects)/\1.o,g'`
  3489 SDLTEST_DEPENDS=`echo "$SDLTEST_DEPENDS" | sed "s,\\([[^ ]]*\\)/\\([[^ ]]*\\)\\.c,\\\\
  3490 \\$(objects)/\\2.o: \\1/\\2.c\\\\
  3491 	\\$(RUN_CMD_CC)\\$(LIBTOOL) --tag=CC --mode=compile \\$(CC) \\$(CFLAGS) \\$(EXTRA_CFLAGS) $DEPENDENCY_TRACKING_OPTIONS -c \\$< -o \\$@,g"`
  3492 
  3493 # Set runtime shared library paths as needed
  3494 
  3495 if test "x$enable_rpath" = "xyes"; then
  3496   if test $ARCH = bsdi -o $ARCH = freebsd -o $ARCH = linux -o $ARCH = netbsd; then
  3497     SDL_RLD_FLAGS="-Wl,-rpath,\${libdir}"
  3498   fi
  3499   if test $ARCH = solaris; then
  3500     SDL_RLD_FLAGS="-R\${libdir}"
  3501   fi
  3502 else
  3503   SDL_RLD_FLAGS=""
  3504 fi
  3505 
  3506 SDL_STATIC_LIBS="$SDL_LIBS $EXTRA_LDFLAGS"
  3507 
  3508 dnl Expand the cflags and libraries needed by apps using SDL
  3509 AC_SUBST(SDL_CFLAGS)
  3510 AC_SUBST(SDL_LIBS)
  3511 AC_SUBST(SDL_STATIC_LIBS)
  3512 AC_SUBST(SDL_RLD_FLAGS)
  3513 if test x$enable_shared = xyes; then
  3514     ENABLE_SHARED_TRUE=
  3515     ENABLE_SHARED_FALSE="#"
  3516 else
  3517     ENABLE_SHARED_TRUE="#"
  3518     ENABLE_SHARED_FALSE=
  3519 fi
  3520 if test x$enable_static = xyes; then
  3521     ENABLE_STATIC_TRUE=
  3522     ENABLE_STATIC_FALSE="#"
  3523 else
  3524     ENABLE_STATIC_TRUE="#"
  3525     ENABLE_STATIC_FALSE=
  3526 fi
  3527 AC_SUBST(ENABLE_SHARED_TRUE)
  3528 AC_SUBST(ENABLE_SHARED_FALSE)
  3529 AC_SUBST(ENABLE_STATIC_TRUE)
  3530 AC_SUBST(ENABLE_STATIC_FALSE)
  3531 
  3532 dnl Expand the sources and objects needed to build the library
  3533 AC_SUBST(ac_aux_dir)
  3534 AC_SUBST(INCLUDE)
  3535 AC_SUBST(OBJECTS)
  3536 AC_SUBST(VERSION_OBJECTS)
  3537 AC_SUBST(SDLMAIN_OBJECTS)
  3538 AC_SUBST(SDLTEST_OBJECTS)
  3539 AC_SUBST(BUILD_CFLAGS)
  3540 AC_SUBST(EXTRA_CFLAGS)
  3541 AC_SUBST(BUILD_LDFLAGS)
  3542 AC_SUBST(EXTRA_LDFLAGS)
  3543 AC_SUBST(WINDRES)
  3544 
  3545 cat >Makefile.rules <<__EOF__
  3546 
  3547 # Build rules for objects
  3548 -include \$(OBJECTS:.lo=.d)
  3549 
  3550 # Special dependency for SDL.c, since it depends on SDL_revision.h
  3551 $srcdir/src/SDL.c: update-revision
  3552 $DEPENDS
  3553 $VERSION_DEPENDS
  3554 $SDLMAIN_DEPENDS
  3555 $SDLTEST_DEPENDS
  3556 __EOF__
  3557 
  3558 AC_CONFIG_FILES([
  3559     Makefile:Makefile.in:Makefile.rules sdl2-config SDL2.spec sdl2.pc
  3560 ])
  3561 AC_CONFIG_COMMANDS([sdl2_config],[chmod a+x sdl2-config])
  3562 
  3563 SUMMARY="SDL2 Configure Summary:\n"
  3564 if test x$enable_shared = xyes; then
  3565     SUMMARY="${SUMMARY}Building Shared Libraries\n"
  3566 fi
  3567 if test x$enable_static = xyes; then
  3568     SUMMARY="${SUMMARY}Building Static Libraries\n"
  3569 fi
  3570 SUMMARY="${SUMMARY}Enabled modules :${SUMMARY_modules}\n"
  3571 SUMMARY="${SUMMARY}Assembly Math   :${SUMMARY_math}\n" 
  3572 SUMMARY="${SUMMARY}Audio drivers   :${SUMMARY_audio}\n"
  3573 SUMMARY="${SUMMARY}Video drivers   :${SUMMARY_video}\n"
  3574 if test x$have_x = xyes; then
  3575     SUMMARY="${SUMMARY}X11 libraries   :${SUMMARY_video_x11}\n"
  3576 fi
  3577 SUMMARY="${SUMMARY}Input drivers   :${SUMMARY_input}\n"
  3578 if test x$enable_libudev = xyes; then
  3579     SUMMARY="${SUMMARY}Using libudev   : YES\n"
  3580 else
  3581     SUMMARY="${SUMMARY}Using libudev   : NO\n"
  3582 fi
  3583 if test x$have_dbus_dbus_h_hdr = xyes; then
  3584     SUMMARY="${SUMMARY}Using dbus      : YES\n"
  3585 else
  3586     SUMMARY="${SUMMARY}Using dbus      : NO\n"
  3587 fi
  3588 if test x$have_ibus_ibus_h_hdr = xyes; then
  3589     SUMMARY="${SUMMARY}Using ibus      : YES\n"
  3590 else
  3591     SUMMARY="${SUMMARY}Using ibus      : NO\n"
  3592 fi
  3593 AC_CONFIG_COMMANDS([summary], [echo -en "$SUMMARY"], [SUMMARY="$SUMMARY"])
  3594 
  3595 AC_OUTPUT